
engineering science
a bale of weight 200 newtons hanged at the end of a rope.find the acceleration of the bale if the tension in the rope is 200 newtons,150 newtons,300 newtons.
asked by aaron on April 17, 2012 
Geometry
If the width of rectangle ABCD is 8 cm and the length of diagonal line AC is 14, find the length of rectangle ABCD. A2 + b2 = c2. 64+ b2 =196. square root of b2 = square root of 132. B =2square of 33. L = ?
asked by Laura on April 6, 2016 
Math
A sum of money is shared among three brothers. The eldest received 7/13 of it and the second brother receives 2/3 of the remainder. If the youngest brother receives $200, find the sum of money shared.
asked by Another person on September 8, 2018 
Physics help please!
The speed of a deep water wave with a wavelength ë is given approximately by v = (gë/2ð)1/2. Find the speed and frequency of a deep water wave with a wavelength of 5.5 m. ? m/s ? Hz can someone get me started with a formula? I lost my book :(
asked by kelsey on November 9, 2008 
Math
Jasmine is manufacturing engineer who is trying to find out if she can use a 12inch by 12inch sheet of cardboard and a 15inch by 16inch sheet of cardboard to make boxes with the same height and volume. In such a pair of boxes possible?
asked by NiNa on January 15, 2013 
geometry
Two cones are similar. The larger cone, R, has a volume of 1331 cubic feet and the smaller cone, S, has a volume of 64 cubic feet. Find the scale factor of Cone R to Cone S.
asked by jack on May 10, 2012 
math
A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 19 feet more than the length of the shortest side. Find the dimensions if the perimeter is 143 feet.
asked by Tarisha on January 22, 2012 
Chemistry
Mg + 2HCl > MgCl2 +H2 delta H = ? MgO + 2HCl (aq) > MgCl2+ H2O delta H = ? H2+ 1/2O2 > H2O delta H = 285.8 kJ Using Hess' Law find both the missing delta H values.
asked by Hunter on March 28, 2012 
Math Help
The length of an object in feet is equal to 3 times its length in yards. The length of a waterslide is 48 feet. Write and solve a multiplication equation to find the length of the waterslide in yards.
asked by Anna on January 30, 2012 
math
a box contains 3 red marbles, 4 white marbles and 5 yellow marbles.find the probability that a red marble and then a yellow marble to be pick up on two successives drawing then there is a replacement of the marbles
asked by esman on February 24, 2015 
statistics
The sample mean to be calculated from a random sample of size n= 4 from a population consists of eight measurements (2, 6, 9, 12, 25, 29, 39, 50) . find the sampling distribution of y .(Hint : there are 70 samples of size 4 when sampling from a population
asked by koky on November 14, 2010 
technical design/maps/geography
The scale of a map is 9mm represent 1km on real ground. I found the area of the map and it is 19990mm2. How am I going to use the scale to find the area of the real ground? Thanks a lot!
asked by Claire on September 18, 2007 
Physics
A spherical surface completely surrounds a collection of charges. Find the electric flux through the surface if the collection consists of each of the following. (a) a single +3.70 106 C charge N·m2/C (b) a single 2.90 106 C charge N·m2/C (c) both of
asked by Mary on September 24, 2007 
math
The sample mean to be calculated from a random sample of size n= 4 from a population consistsof eight measurements (2, 6, 9, 12, 25, 29, 39, 50) . find the sampling distribution of y y .(hint : there are 70 samplesof size 4 when sampling from a population
asked by heba on November 13, 2010 
pre algebra
A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 30 feet more than the length of the shortest side. Find the dimensions if the perimeter is 138 feet
asked by Mary on June 30, 2016 
geometry
the sum of the measures of an obtuse angle and acute angle is 12 degrees.the complement of the acute angle and onehalf the suplement of the obtuse angle is 75 degree.find the measures of the two angles.
asked by cj on July 14, 2012 
statistics
Three percent of all items sold by a mailorder company are returned by customers for a refund. Find the probability that of two items sold during a given hour by this company both will be returned for a refund
asked by Julia on February 7, 2011 
prealgebra
can you please help me and help me solve this and show work: Identify the percent of change as an increase or a decrease. Then find the percent of change. #1.) Original:45 New:30 Please help i don't understand how to solve and show work
asked by vick on February 27, 2012 
Physics
Using a graphical method of getting resultant vectors, find the resultant of the following vectors: 8N along the positive Xaxis and 6N making an angle of 45 degrees with the positive Xaxis and 10N 20 degrees below West.
asked by John on November 23, 2017 
math
A sheet of paper measure 40cm¡Á20cm.A strip 4cm wide is cut from it all around find the area of strip cut out and area of remeining sheet of paper
asked by shehzad on February 11, 2015 
Math
A store mixes Brazilian coffee worth $10 per kilogram and Turkish coffee worth $12 per kilogram. The mixture is to sell for $11 per kilogram. Find out how much of each should be used to make a 216 kilogram mixture.
asked by Curt on October 6, 2012 
statistics
A survey found that 25% of pet owners had their pets bathed professionally rather than do it themselves. If 18 pet owners are randomly selected, find the probability that exactly 5 people have their pets bathed professionally.
asked by Anonymous on October 5, 2010 
Math
A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 18 feet more than the length of the shortest side. Find the dimensions if the perimeter is 142 feet.
asked by Durante on April 18, 2015 
Physics
At one end of the Venturi Tube the pressure and speed of flowing water is 21 kPa and 0.05m/s respectively. At another point the pressure is 5 kPa. Find the speed of the water at the second point. Answer in m/s
asked by Anonymous on May 30, 2016 
math
write a five digit number(s) that fits each description. use only the digits that the athletes are wearing. use each digit only once in each answer. The digits on athletes are: 4,1,8,3,6 find the least number with 1 in the ones place and 6 in the
asked by John Dosley on December 11, 2013 
math
a ferris wheel has the diameter of 240 feet and the bottom of the ferris wheel is 9 feet above the ground. find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel
asked by sn on October 5, 2011 
English
1. Who wants to recite the reading text? 2. Are there any volunteers that want to recite the two pages? 3. Raise your hands if you want to recite the passage. 4. Who else can recite all the sentences on the two pages?  Can we use all the
asked by rfvv on April 17, 2017 
mosab bin omair
We examine the following reaction at 250ÃƒÂ¯Ã¢â‚¬Å¡Ã‚Â°C: PCl5(g) ÃƒÂ¢Ã¢â‚¬Â¡Ã…â€™ PCl3(g) + Cl2(g). At equilibrium we find [PCl5] = 3.4 x 105 M, [PCl3] = 1.3 x 102 M, and [Cl2] = 1.0 x 104 M. Calculate the
asked by yazan on January 9, 2017 
math
A store mixes Kenyan Coffee worth $11 per Kilogram and venezuelan coffee worth $14 per Kilogram. The mixture is to sell for $12 per kilogram. Find out how much of each should be used to make a 396Kilogram Mixture
asked by Catherine on September 27, 2011 
Language Arts...Writing
Hello, I need some help with the following question. My answer is #1, is this corret? Thank You Find the sentence with the Active Voice? #1 The chairman told me that the legislature passed the bill. #2 I was told by the chairman that the bill was passed by
asked by Mandi on September 7, 2007 
Statistics
among customers 70% buy popcorn, 40% buy ice cream, and 25% by both. Suppose you pick one customer at random. Find the probability the customer buys popcorn or ice cream.
asked by Jasmine on June 15, 2012 
RES/351
the business research process by describing the business research process from your experience in the workplace or in an article you find through the University Library I don't have anyh experience does any one know of an article I could use?
asked by a on June 25, 2012 
Math
The function W(d) = 0.112d approximates the amount in centimeters of water that results from d cm of snow melting. find the amount of water that results from snow melting from depts of 15cm, 26 cm, 70 cm
asked by Liz on March 11, 2010 
maths science,sst,hindi,english,economics
one liter of water at atmospheric pressure ismixed with 9 liter of water of 25 degrees at an atmospheric pressure in an insulated tank .find the temprature of tank.options are 1)25 2)32.5 3)30 4) 24........pls. help
asked by deepenti on May 22, 2012 
Math
The of the 45 numbers is 9.the average of the first 20 is 10 and the average of the last 24 is 8.find the 21st number. I have solved please check this. 9=x/45 ,so x=415. 10=x/20, x=200 and 8=x/24, x=192 So,415(200+192)=23.answer Is this way and answer
asked by ABC on May 29, 2017 
Calculus
Integrals: When we solve for area under a curve, we must consider when the curve is under the axis. We would have to split the integral using the zeros that intersect with the axis. Would this be for all integrals? What if we just want to "find the
asked by Jennifer on December 18, 2009 
Math
In two concentric circles, a chord of length 8cm of the larger circle touches the smaller circle . If the radius of the larger circle is 5cm then find the radius of the smaller circle.
asked by Avni on March 27, 2018 
statistics
Five percent of all items sold by a mailorder company are returned by customers for a refund. Find the probability that of two items sold during a given hour by this company both will be returned for a refund
asked by tim on February 28, 2011 
chem
balance the equation:(i can balance the equation but the problem i have is finding the formula for the last part HC2H3O2(aq) + Ca(OH)2(aq) > H2O(l) + find the formula here the last part would be CaOC2H3O2? im a little confused. did the O fromt he H2O come
asked by hannah on November 28, 2010 
stats
Five percent of all items sold by a mailorder company are returned by customers for a refund. Find the probability that, of two items sold during a given hour by this company, neither will be returned for a refund.
asked by Anonymous on March 24, 2014 
math
The marginal cost function is given by dc/dq=0.08q^21.8q+2.5 where c is the total cost in producing q units of product. The fixed cost is 5000. Find the total cost for producing 1000 units
asked by shima on April 19, 2017 
math
if you walk for m minutes, the number c of calories used is proportional to the time you walk. if 30 caloris are used when you walk for 12 minutes, write an equation of variation and find the number of calories used when you walk for an hour
asked by rozzell on September 25, 2011 
Science
Need help with find area of a cylinder measurement are : 1. dia 3cm height 2in 2. dia 3.5cm height 2.5 3. dia 4cm height 3in 4. dia 4.5cm height 5in
asked by Amanda on February 21, 2009 
College Algebra
A ferris wheel has a diameter of 320 feet and the bottom of the Ferris wheel is 9 feet above the ground. Find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel.
asked by Tyana on October 12, 2011 
statistics
Five percent of all items sold by a mailorder company are returned by customers for a refund. Find the probability that of two items sold during a given hour by this company both will be returned for a refund
asked by tim on February 28, 2011 
Math
Christian drives 120 miles in the same length of time while Julius drives 200 miles. If the speed of Julius exceeds that of Christian by 35mph, find the speed of each
asked by AD12 on July 20, 2014 
statistics
Five percent of all items sold by a mailorder company are returned by customers for a refund. Find the probability that of two items sold during a given hour by this company both will be returned for a refund
asked by tim on February 28, 2011 
Statistics. I Need Help Please
George scored a 62 on his AP World History test and had a zscore of 3.75. Julie is also in the class with George and scored an 83 on the same test, with a zscore of 1.5. From this information, FIND THE CLASS mean and standard deviation.
asked by Mary on June 6, 2011 
Precalculus
Find the sum of 20 (summation notation symbol)k=1 then (3k5) If you mean the sum of the first 20 terms, beginning with k=1, of ak = 3k  5, that would be 20 x 5 = 100 PLUS the sum of the first 20 terms of ak = 3k The latter is 3 times the sum of
asked by Laura on June 16, 2007 
English
I need to find some interesting articles or videos or anything.. for my English class. My class is not for native speakers (ESL class). Can you please give me some interesting sites that have articles or videos or anything for class discussion??
asked by Hama on October 26, 2016 
physics
A bullet of mass 0.045kg is fired from a gun of mass 9kg, the bullet moving with an initial velocity of 200m/s. Find the initial backward velocity of the gun.
asked by donald on January 5, 2018 
physics....
Suppose that the inside length of a microwave oven is 30 cm. If the length of a microwave oven is one half of the wavelength of microwaves used by the oven, find the frequency of the microwaves used in the oven. What is the equation that relates the three
asked by kennedy on June 13, 2012 
Grammar
Find the simple subject and simple predicate of this sentence. We have to leave immediately to go to the meeting at the recreation center. the simple subject is we and the simple predicate is have because to leave is an infinitive phrase
asked by Helen on December 16, 2015 
Statistics
It is reported that 72% of working women use computers at work. Choose 5 working women at random. Find a. The probability that at least 1 doesn't use a computer at work b. The probability that all 5 use a computer in their jobs
asked by Amber on November 11, 2014 
math solving quadratic equations by factoring
a ladder is resting against a wall. the top of the ladder touches the wall at a height of 12 feet. Find the distance from the wall to the bottom of the ladder if the length of the ladder is 12feet less than twice its distance from the wall.
asked by math1 on December 19, 2010 
Finte Math  Simplex Method
Just a few questions to make sure I am understanding the simplex method. First you set up matrice, then you find the column with the largest negative number in bottom row. That is the column you will pivot. So then how do you determine which row is the
asked by Robson on June 21, 2012 
math
the simple interest received from investment is directly proportional to the amount of the investment. By investing $4000 in a municipal bond you obtain interest of $280 at the end of 1year. Find a mathematical model that gives the interest I at end of
asked by Marybeth on June 3, 2014 
algebra 2
Rosalyn works no more than 16 hours a week during the school year. she is paid $10 and hour for tutoring geometry students and $7 an hour for delivering pizzas for Pizza King. She wants to spend at least 6 hours but no more than 8 hours a week tutoring.
asked by jeanne on October 14, 2010 
Mathematics, Math
During a period of acute shortage of raw materials, the prices of some manufactured goods were raised by 25%. After the shortage was over, prices were lowered by 15%. If the original price of an article was $56, find its price after the shortage was over.
asked by Kaela on February 28, 2012 
Physics please help!!
High speed stroboscopic photographs show that the head of a 188 g golf club is traveling at 52.5 m/s just before it strikes a 45.5g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 44.0 m/s. Find the speed
asked by Megan on February 14, 2011 
Geometry
In my book there's a picture of an equalderal triangle. This is given information. Inside the triangle all three altitudes have been drawn to find the center point of gravity. The incircle is drawn. The circumcircle is drawn. Given that the radius of the
asked by Geometry on May 15, 2008 
Physics
For a piece of glass n(red)= 1.635 and n(blue)= 1.689. The respective wavelengths are 680nm (red) and 430nm (blue). Find the angle between these two colors of light in the glass if they were originally in a white light beam in air incident on the glass at
asked by chi on March 24, 2012 
chemistry
A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 152 cm and makes an angle of 125° with the positive x axis. The resultant displacement has a magnitude of 150 cm and is directed at an angle of 35.0°
asked by tea on January 25, 2010 
Calculus
A particle starts at the point (5,0) at t=0 and moves along the xaxis in such a way that at time t>0 its velocity v(t) is given by v(t)= t/(1+t^2). a). Determine the maximum velocity of the particle. Justify your answer. b). Determine the position of the
asked by Rasheda on January 29, 2014 
Mathematics, Math
During a period of acute shortage of raw materials, the prices of some manufactured goods were raised by 25%. After the shortage was over, prices were lowered by 15%. If the original price of an article was $56, find its price after the shortage was over.
asked by Kaela on February 28, 2012 
physics
An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having plate area of 20cm^2 plates being separated by dielectric 0.1mm thick with E=2.5. If the potential difference across an condenser
asked by vicky on April 12, 2016 
Algebra: Parabolas
I have a math problem that requires me to find the focal length of a parabola using the information given on a graph. It is a standard horizontal parabola, the formula being y^2 = ax. The focus point is formula a = 4p. I know that a is positive, because
asked by Anonymous on April 25, 2012 
college physics
A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 140 cm and makes an angle of 130° with the positive x axis. The resultant displacement has a magnitude of 144 cm and is directed at an angle of 30.0°
asked by caitlin on September 28, 2010 
preap physics
A 15.4kg block is dragged over a rough horizontal surface by a constant force 191N acting at an angle of 25.3 degrees above the horizontal. The block is displaced 80.4m and the coefficient of kinetic friction is. 2 A) find the magnitude of the work done by
asked by jay on January 11, 2012 
math CAN SOMEONE PLEASE HELP
find the two ordered pairs of this equation. y=5/3x+8 then give the slope and y intercept. I know the slope is rise over run and is the y intercept 8? This is the answer I got but I am still really confused how do I get my two ordered pairs this makes no
asked by KiKi on March 28, 2010 
math
Assume that the average annual salary for a worker in the United States is $30,500 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $6,250. Find the following: (A) What percentage of Americans earn
asked by Jen on October 25, 2012 
Math 11
I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. How should I set up for
asked by Need Help on January 12, 2012 
Calculus
A lemon tree nursery usually sells a certain breed after 4 years of growth and shaping.the growth rate is approximated by: dh/dt =2.4t+3 where t is time in years and h is the height in cm. suppose that seedlings are 10 cm tall when planted (at t=0) a) find
asked by Anonymous on April 1, 2012 
Physics
A 30.0 kg box is being pulled across a carpeted floor by a horizontal force of 230 N., against a friction force of 210 N. Calculate the acceleration of the box and find the x and y components of the acceleration of the box. Align the positive direction
asked by Anne on March 26, 2012 
Physics
A large horizontal circular platform (M=143.1 kg, r=3.01 m) rotates about a frictionless vertical axle. A student (m=75.3 kg) walks slowly from the rim of the platform toward the center. The angular velocity ω of the system is 2.10 rad/s when the student
asked by Molly on February 11, 2014 
precalc help
Find the exact value without a calc 1. log base 3 of 8 times log base 8 of 9. I started by changing both bases to 10 but don't know what to do from there. 2. e ^ log base e^2^9. I hope that isnt confusing. My teacher said we are suppose to get the bases
asked by Rebekah on November 21, 2012 
math
Please show me how to solve: Hannah took a survey of 500 students at her school to find out whether they liked baseball or football. The results are shown in the Venn diagram. How many of the students surveyed like football? 28% liked baseball, 32% liked
asked by Jane on November 19, 2011 
physics
A bullet is fired horizontally with a velocity of 250 m/s from the top of a building 100m high. Find the Horizontal and vertical velocities of the bullet when it reaches the ground, the resultant velocity, the horizontal displacement, the net displacement,
asked by ellah on January 9, 2012 
Math
The scale on a map is 1 in: 4 miles. Find the actual distance in miles for each length on the map. 1/ 2 in. Answer: d=8 2/ 7.2 in. Answer: d=288 3/ 3.5 in. Answer: d=140 4/ 11 in. Answer: 44 Write the ratio as a scale in simplest form. 3cm\15cm Answer: 1/5
asked by Na on March 1, 2017 
classical mechanics
A projectile is launched down ward from the top of inclined plane of angle alpha in the direction making an angle beta with the incline. assuming the projectile hits the incline, find the expression for the range and determine the maximum expression for
asked by Henry on April 19, 2016 
science
a 600 g pool ball moving at 2.0m/s hits a second pool of the same mass at rest. the first ball moves off at 1.5m/s at an angle of 30 degrees from the original direction. assume the surface of the pool table to b frictionless find the angle at which the
asked by hope on April 7, 2016 
physics
A 120V motor has mechanical power output of 3.00 hp. It is 94.0% efficient in converting power that it takes in by electrical transmission into mechanical power. (a) Find the current in the motor. I got the same answers,17.5 A, whether I used round
asked by blast on August 17, 2010 
trig
an observer at A looks due north and sees a meteor with an angle of elevation of 70 degrees. At the same instant, another observer 30 miles east of A seed the same meteor and approximates its position as N 50 degrees W but fails to note its angle of
asked by olivia on January 11, 2015 
Physics
A string of mass m=.1kg is stretched to where its length is L=20m. What is the tension force applied to the string if it takes a pulse 2 seconds to get from one end to the other? m=kg L=20m T=4s mass density =m/L = .1/20 = kg/m Tension =? I know
asked by Andrea on February 6, 2008 
math Trigonometry
If cos degree equals to 0.8641 What is Sin degree? I have no idea how to find this. Please help me. I got help from two people, but I'm not getting the answer and how they got the numbers either. Someone says: cos^2+sin^2=1
asked by Simran on November 5, 2016 
Physics
Xrays with an energy of 300 keV undergo Compton scattering from a target. If the scattered xray are directed at 30 degrees relative to the incident rays, find a)The Compton shift at this angle b) The energy of the scattered xray c)The energy of the
asked by amy on March 18, 2011 
Chemistry
Calculate the number of moles of carbon atoms present in 2.2 g of ethanol (C2H6O). For this question, I would just need to find the molar mass of carbon, right? Not the molar mass of all of ethanol? So it would just be 2.2 g/ 24.02 g/mol which would equal
asked by Alex on September 13, 2015 
mean value theorem
Show that the function f(x)=1x, [1,1] does not satisfy the hypotheses of the mean value theorem on the given interval. Also how do I graph the function together with the line through the points A(a,f(a)) and B(b,f(b)). Also how do I find values of c in
asked by Jen on October 29, 2006 
Physics
A 70 kg man just before contact with the ground has a speed of 5 m/s In a stifflegged landing he comes to a halt in 7ms (miliseconds). Keeping in mind that the average net force acting on the man includes both the force of the ground on the man and the
asked by Jessica on November 18, 2010 
Calculus
A lemon tree nursery usually sells a certain breed after 4 years of growth and shaping.the growth rate is approximated by: dh/dt =2.4t+3 where t is time in years and h is the height in cm. suppose that seedlings are 10 cm tall when planted (at t=0) a) find
asked by Anonymous on April 1, 2012 
Chemistry (Dr.Bob222)
The halflife of P32 is 14 days. How long after a sample is delivered can a laboratory wait to use a sample in an experiment if they need at least 10 percent of the original radioactivity? I need help on how to set up this problem. What is the general
asked by K on November 7, 2013 
Trigonometry
A climber, working his way up a vertical cliff stops for a rest on the ledge. The ledge where he stopped is 12 meters wude. The angle of depression from the edge of the ledge to the bottom of the cliff is 72 degree and the angle of elevation to the top of
asked by Tomina on December 10, 2011 
math 165 calculas
An open box is to be made from a eighteeninch by eighteeninch square piece of material by cutting equal squares from the corners and turning up the sides (see figure). Find the volume of the largest box that can be made. figure ( a box and one side is
asked by akash on October 6, 2015 
Physics
A receiving antenna becomes misaligned by 30° to its original position. The power of the received signal in this new position is 12µW. Wavelength = 0.016 m I calculated the power received in the original position as 1.04 x 10^5 W What I need to find out
asked by Ramesh on November 16, 2018 
Physics
Figure shows a circular wire loop of radius r carrying current i placed in a perpendicular magnetic field B. Suppose that the radius of cross section of the wire is a. Find the decrease in radius of loop when magnetic field is switched off if Young’s
asked by Aaron on September 28, 2016 
phsics
A ball is rotating in a horizontal circle at the end of a string of length 3.8 m at an angular velocity of 8.5 rad/s. The string is gradually shortened to 3.3 m without any force being exerted in the direction of the ball’s motion. Find the new angular
asked by owen on November 19, 2014 
physics
An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having plate area of 20cm^2 plates being separated by dielectric 0.1mm thick with E=2.5. If the potential difference across an condenser
asked by vicky on April 12, 2016 
math
I don't get how to put it in the the equation Interest=percent×rate×time This is the question The banded ribbon worm is a carnivorous aquatic worm. It measures about 2.5 ft. When expanded. Find the percent increase between the contracted and expanded
asked by emma on October 21, 2014 
Physics
Two effectively infinite and parallel sheets of charge are 6.00 cm apart. Sheet 1 carries a uniform surface charge density of 6.80 μC/m2 while Sheet 2, which is to the right of sheet 1, carries 12.4 μC/m2. Find the magnitude and direction of the net
asked by ryancon on September 14, 2019 
physics
a projectile is thrown from the ground with an initial velocity of 20.0 m/s at an angle of 40.0 degrees above the horizontal. find the projectile's maximum height, the time required to reach its maximum height, its velocity at the top of the trajectory,
asked by Anonymous on February 10, 2014
Pages
 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934