# 1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find

92,404 questions, page 706
1. ## Senior Paper

For the Hitchhiker's guide to the Galaxy, would this work for a thesis? Douglas Adams was a promodernistic author who wrote a new level of Proto Science Fiction. Can you help me think of other main points about him, the late 70s-early 80s, and the history

asked by Summer on July 6, 2007
2. ## geometry

The area of an ellipse in the form (x*x/a*a)+(y*y)/(b*b)=1 is A=3.14*ab. For this ellipse, a+b=20. a. write the area of the ellipse as a function of a. b. Find the equation of the ellipse with an area of 264 square centimeters. c. Complete the table and

asked by Priscilla on April 10, 2009
3. ## Math Probability

Super stumped... Help please. The average distance geese fly south in the winter is approximately 380 miles with a standard deviation of 60 miles. Assuming that the distances are normally distributed, find the probability that a randomly selected goose

asked by Patricia Marzetta on April 30, 2013
4. ## Physics

A 260-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an

asked by Natasha on February 21, 2012
5. ## Physics

Electrons in a beam incident on a crystal at an angle of 30ͦ have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5 Aͦ, and the reflected electrons are passed through a slit .Find the velocities of the

asked by Abby on April 7, 2011
6. ## physics

A 190-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 32.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.876, and the log has an

asked by Natasha on March 11, 2012
7. ## algebra1please look over THANK YOU

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the surface area of a sphere: s=4(pi)^2 to find the radius of the pinata. Round your answer to the nearest hundredth. _____ feet i got

asked by lisa on July 3, 2013
8. ## physics please help

A spring is hung from the ceiling. A 0.300 kg block is then attached to the free end of the spring. When released from rest, the block drops 0.170 m before momentarily coming to rest. (a) What is the spring constant of the spring? (b) Find the angular

asked by john on November 15, 2010
9. ## Physics

A rollercoaster car starts at rest on top of a frictionless hill of height 17 m, slides down to ground level, and then into a frictionless loop of radius 5 m. When the car is at the side of the loop (level with the center), find the magnitude of the car's

asked by natalia on November 6, 2009
10. ## Social Studies

Explain the Rights and Duties of A Group of Citizens, Tell of Their Civil Rights Compare Those Civil Rights to Those of U.S. Citizens -- i dun know what country to do.. if u have ne ideas plz help. If u suggest plz give me website where i can find info its

asked by Dee on May 28, 2008
11. ## Physics

A 160g stone, tied to a thread, swings in a horizontal circle with a 100 cm diameter. if the maximum tension the thread can withstand before snapping is 28 N, find the A) Maximum speed of the stone B) Acceleration of the stone at this speed. I solved A

asked by mack on November 19, 2011
12. ## bearings

PQRS are four locations on the same horizontal plane Q is an bearing of 041 degree from P and the distance is 40km,S is 28km from R on a bearing 074 degree, R is directly due north of P and the distant between Q and R is 38km. Find to the nearest whole

asked by Anonymous on January 13, 2017
13. ## Math

The towns highway department marks a new road with reflective markers. The road is 6 3/4 miles in length. The markers ar expanded every eighth 1/8 mile of a mile. A. What is a division problem to find how many markers ar installed B. Solve the problem C.

asked by James (PLEASE ANSWER) on October 14, 2016
14. ## Physics

A trapeze artist of mass m swings on a rope of Length L. Initially, the trapeze artist is at rest and the rope makes an angle theta with the vertical. a) Find the tension in the rope when it is vertical. Why does your result for part a depend on L in the

asked by Sandhya on November 23, 2008
15. ## math

the charge for telephone call ,t,partly constant and partly varies with the number n of call. the bill for 420 units of call is 806,while the bill for 200units is 410 A)calculate the charge for 460 unit of electricity B)find a formula for T

asked by moshoodibrahim on August 30, 2018
16. ## Word Problem-Icky

Two sailboats are 9.8 miles apart and sailing toward each other. The larger boat sails 4 miles per hour faster than the smaller boat. The two boats pass each other after 0.7 hour. Find the speed of each boat. I cannot figure out for the life of me how to

asked by Cathy on September 17, 2007
17. ## Physics

A girl hits a ball at an angle of arc tan3/8 to the horizontal from a point O which is O.5m above level ground.The initial speed of the ball is 15m/s at the height of 18m from the girl,find the time taken for the ball to reach the fence and the height of

asked by Enimatique Alogorithm MM on October 5, 2015
18. ## Help on my math question

A \$2,000 deposit at an APR of 5.4% with quarterly compounding for 8 years. The amount after 8 years ?? I need to find what the amount would be after 8 years please help This not Dave my name is Tommy I don't even know who Dave is and I'm sorry if you think

asked by Tommy on January 27, 2013
19. ## Calculus

A Baseball Diamond has the shape of a square with sides 90 feet long. a player is running from 1st to 2nd base at a speed of 25 feet per second. find the rate at which his distance s is from home plate is changing when the player is 20 feet from 2nd base.

asked by John on May 20, 2012
20. ## Physics

a block of mass 2kg moves on a frictionless inline (none of the forces on the block are shown). its initial velocity is v initial=3m/s, and it slides a vertical distance h=10m up the slope and its final velocity is v final=2m/s. find the external work done

asked by S on February 25, 2016
21. ## Chemistry

37.5 g of Fe2O3 is added to 240 cm^3 of HCl. The reaction occurs according to equation : 6HCl + Fe2O3 -> 2FeCl + 3H2O At the end of reaction, 5.5 g of Fe2O3 remain unreacted. Find A) calculate the molarity of HCl used B) calculate the mass of FeCl3

asked by Lilo on June 28, 2014
22. ## Statistics

In a certain city, there are 10,000 persons age 18 to 24. A simple random sample of 500 such persons is drawn, of whom 200 turn out to be currently enrolled in college. Find a 90% con¯dence interval for the percentage of persons age 18 to 24 in the city

asked by Teddy on May 15, 2011
23. ## B

suppose that the total cost function for a manufacturer is C=100+X^2 where x represents the weekly production of widgets. if production is increasing at the rate of 500 calculators per week, when production output is 6000 calculators. find the rate of

asked by Alcina on May 8, 2016
24. ## College Physics

The point charges in Figure 17.41 are located at the corners of an equilateral triangle 25.0 cm on a side, where qb = +12.0 µC and qc = -4.50 µC. (Assume that the +x-axis is directed to the right.) (a) Find the electric field at the location of qa.

asked by Samuel on March 24, 2014
25. ## Math Calculus

Postal regulations specify that a package sent by certain shipping methods may have a combined length and girth of no more than 99 inches. Find the dimensions of a CYLINDRICAL package with the greatest volume that may be sent by this shipping method. HINT*

asked by Heather on October 10, 2015
26. ## math

A swimmer going downstream takes 1hour, 20 minutes to travel a certain distance. If takes the swimmer 4 hours to make to return trip against the current. If the river flows at the rate of 1.5mph. Find the rate of the swimmer in still water and the distance

asked by joy on July 31, 2010
27. ## Language arts

Today in L.A we had to read an article about Mark Mcgwire who used steroids in baseball. As we read we had to come up with a question and answer it fir home work which is due Tuesday. My question " How did Mark Mcwire get hurt in the Mid- 1990s?" Can

asked by Anonymous on January 17, 2014
28. ## math 111

The overhead or fixed cost for the company is 1,000 per week. In addition, the cost of manufacturing each boat costs\$200. Find an equation C=f(x) for the total cost per week where x is the number of boats manufactured in a week. b) Graph the total cost

asked by tbcc on July 3, 2013
29. ## Pre calc

Write the equation in standard ellipse form and graph. 34 x^2 -24xy +41y^2 +41 y^2 -25= 0. i got x= (4 x prime- 3 y prime)/5 and y=(3x prime +4y prime)/5 but cant get the correct math when I plug that into the original equation. Also I need help finding

asked by Rebekah on May 5, 2013
30. ## Physics urgent!!!!

Electrons in a beam incident on a crystal at an angle of 30ͦ have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5 Aͦ, and the reflected electrons are passed through a slit .Find the velocities of the

asked by Vanda on April 8, 2011
31. ## physics

A dentist's drill starts from rest. After 2.50 s of constant angular acceleration it turns at a rate of 3.0 104 rev/min. (a) Find the drill's angular acceleration. rad/s2 (b) Determine the angle (in radians) through which the drill rotates during this

asked by monic on November 14, 2012
32. ## math

solve each equation for 0=/

asked by sh on February 15, 2009
33. ## Biology

Two samples of DNA have the same melting point and density. Does this prove that they are from the same species? Explain clearly and back up your reasons. I read in my notes and all it said was that DNA species isolated from different organisms have

asked by Lilah on January 28, 2009
34. ## Science

A 25 l partially filled weather balloon has a volume of 11 L at sea level where the pressure is 1 atm. It rises to an altitude of 6.096km (20,000 feet) where the pressure is only .48 atm. What is the resulting volume? At what pressure would it burst? Use

asked by Rich on October 31, 2015
35. ## Physics

A 221-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 27.7° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.811, and the log has an

asked by BrookeNeed on October 10, 2016
36. ## Solid Mensuration

a hemispherical container contains water to a depth of 10cm. If the volume of the water inside the container is 5000pi/3cm^3,find the diameter of the vessel. (i already tried using V=2/3 pi r^3 since it is a hemisphere but my answer and the answer of the

asked by Yell on March 24, 2015
37. ## Physics

Electrons in a beam incident on a crystal at an angle of 30ͦ have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5 Aͦ, and the reflected electrons are passed through a slit .Find the velocities of the

asked by Vanda on April 8, 2011
38. ## physics

Using a rope, a child pulls a box across a rough floor at a constant speed. The tension in the rope is 105 N and the rope makes an angle of 37 degrees with the horizontal. Find the friction force acting on the box (due to the rough floor).

asked by tara on June 9, 2015
39. ## phy

A 221-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 27.7° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.811, and the log has an

asked by BrookeNeed on October 10, 2016
40. ## Physics

A table is supported against a wall forming an angle with the vertical. The coefficient of static friction between the table and the floor is (μe). The frictional force of the wall on the board may be neglected. Find an expression for the maximum value

asked by Karen on December 13, 2016
41. ## Algebra 2

Completing the square method allows you to solve any quadratic equation. For each of the following determine what number completes the square. I cannot find my notes on completing the square, can someone please help with these two problems? 1. x^2+8x 2.

asked by Christian on May 21, 2007
42. ## yr 9 ict

for ICT i need to answer these questions about Copyright designs and patent act:- . when did this act come into being? 1988 . find a definition of the Act .list three ICT and three non-Ict things that are covered by this Act . what penalties can you face

asked by Lou on September 26, 2009
43. ## Calc.

1000 yds of fence x 1000-x 1. Show that the area function to be maximized is A(x) = ( pi + 4 / 16pi) x^2-125x+62500 2. Show that the critical point of A(x) is x=1000pi/pi+4 3. 1000yds of fencing and y>2r, find the values of r and y that maximizes the area

asked by Al on April 18, 2012
44. ## Physics

A 201-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.810, and the log has an

asked by Anonymous on October 31, 2012
45. ## Math

A: The variables x and y vary directly. When x is 3, y is 6. Find x when y = 2/3. B: The force acting on an object varies directly with its acceleration. A force of 25 newtons accelerates an object at 1.25 m/s. What is the acceleration of a 35 newton

asked by Anonymous on February 26, 2017
46. ## Trig

Find all solutions in the interval [0,2pi) 4sin(x)cos(x)=1 2(2sinxcosx)=1 2sin2x=1 2x=1/2 x= pi/6, and 5pi/6 Then since its 2x i divided these answers by 2 and got pi/12 and 5pi/12 However, when i checked the answer key there solutions 13pi/12 and 17pi/12

asked by Martha on February 26, 2017
47. ## Math

Let f(t)=2t^4-2x^2-9. at what x does f have a local or absolute minimum or maximum? I think the question is wrong bcus it is impossible to to have 2 unknown to find the relative max or min...right? Sorry if im wrong. So i change it to f(x)=2x^4-2x^2-9 so

asked by Ifi on October 28, 2012
48. ## Physics

The particles in the figure below (m1=1.6 kg and m2=3.5 kg) undergo an elastic collision in one dimension. Their velocities before the collision are v1i=12 m/s and v2i=-7.5 m/s. Find the velocities of the two particles after the collision. (Indicate the

asked by David on October 27, 2012
49. ## World Literature

For an essay, I'm using the quote “One Ring to rule them all, One Ring to find them, One Ring to bring them all and in the darkness bind them” (The Fellowship of the Ring, page#). I'm not sure what to put for the page number because the quote is in the

asked by Kate on September 20, 2007
50. ## Calculus

Sand is being dumped from a conveyor belt at a rate of 20 cubic ft/min into a pile the shape of an inverted come whose diameter and height are always the same. (a) Find the rate of increase of the height when the pile is 10ft high. This is a 2 part

asked by Nathaniel on November 28, 2011
51. ## science

A mass 'm'is atached to one of an unstreched spring,spring constant k,at time t=0 the free end of the spring experiences a constant acceleration'a',away from the mass. Using the Laplace transformations, a)Find the position 'x' of 'm' as a function of time.

asked by vijaya on July 31, 2008
52. ## Algebra

3. There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. Show your

asked by Liz on April 27, 2012
53. ## physics

A 208-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 34.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.830, and the log has an

asked by Anonymous on September 27, 2012
54. ## Physics

A 260-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an

asked by Natasha on February 21, 2012
55. ## SOCIAL STUDIES

Is it true that Shah Jahan (emperor who built the Taj Mahal) was forced to cut off his hands after he built the Taj Mahal? If this is true then I need proof. I tried going on wikipedia but it doesn't say anything about that on history or any other heading.

asked by Zoey on October 3, 2010
56. ## Math

9. Essay; show all work. Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 2x3 + 5x2 – x – 1. The shop estimates their costs for that quarter to be given by 4x2 – 9x – 8. For the second quarter,

asked by Ms.Ellis on July 16, 2011
57. ## health care

Where can I find an example of this assignment? I know what the pluralistic and elitist perspective are but I do not know what the matrix is supposed to look like. Please help the instructor has not answered my question. Create a matrix between the

asked by Mary on September 8, 2013
58. ## statistics

the weights of shells follow a normal distribution. a random sample of 12 hybrid shells a a mean weight of 1.7 pounds with standard deviation 0.24 pounds. Find a 95 % confidence interval level for the mean weight if the fall catch is within 0.1 pounds of

asked by Lost37 on March 21, 2013
59. ## Calculus - Optimization

A fence is to be built to enclose a rectangular area of 800 square feet. The fence along 3 sides is to be made of material \$4 per foot. The material for the fourth side costs \$12 per foot. Find the dimensions of the rectangle that will allow for the most

asked by Jess on November 17, 2013
60. ## Maths

A hollow cone of base radius 10cm and height 10cm is held with its vertex downwards. The cone is initially empty when water is poured into it at the rate of (4pie) cm^3/s. Find the rate of increase in the depth of the water in the cone 18 second after

asked by Peirs on March 14, 2018
61. ## Physics 141

The drawing shows a person (weight W = 586 N, L1 = 0.837 m, L2 = 0.397 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position. force on each hand N force on each foot N

asked by dakota22 on April 3, 2014
62. ## statistics - math

Sixty percent of the students at a particular community college are female. If 13 students at that community college are selected at random, find the probability that 5 or 6 students will be female. Use Appendix Table or Excel function for Binomial

asked by tanya on December 4, 2010
63. ## physics

a ball is thrown horizontally from the top of a building 35m. high. the ball strikes the ground at a point 80m from the base of the building. a. find the time the ball is in flight b. its initial velocity c. the x and y components of velocity just before

asked by Anonymous on August 27, 2015
64. ## Pre-Calculus

An Alfa Romeo going at 70 mph requires 169 feet to stop. Assuming that the stopping distance is proportional to the square of velocity, find the stopping distances required by an Alfa Romeo going at 35 mph and at 140 mph (its top speed).

asked by Becky on February 3, 2013
65. ## Physics

A 255 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an

asked by Milica Bobic on November 7, 2011
66. ## Physics

Take the radius of the earth at the equator to be 6380 km a. Find the speed the speed of an object at the equator due to the earth's rotation. ___m/s b. Convert this speed to miles/hour (show your conversion factor in your written backup). __miles/hour

asked by Kelly on March 5, 2012
67. ## Physics

A boy pulls a sled with a force of 40 N on a rope 2.5 meters long. The end that he holds is 1.5 meters higher than the end attached to the sled. What is the magnitude of the horizontal component that acts to pull the sled forward? (First find the angle of

asked by Kathy on September 25, 2011
68. ## derivative am i right or wrong

what is the antiderivative of 1/(x^2-2x+2)? does antiderivative mean find the derivative of the function or integrate it. is the answer ln(x^2-2x+2) or is-2(x^2-2x+2)^-2. These are part of the multiple choices. antiderivative is the integral. so would the

asked by david on December 9, 2006
69. ## Psychology

I have to write an essay on a psychology concept and I was thinking about writing my essay on the concept of conformity. However, my professor prefers that we use media examples that occurred after the 28th of January. This example is to be used to explain

asked by Sally on April 16, 2018
70. ## Math

Tina had no money until she received her pay from her boss. Afterward, she spent 7.50 dollars on food every day from Monday through friday. She spent 30 dollars on clothes and 25 dollars to repair her bike. If she had 40.50 left over what would be a

asked by Mark on November 15, 2010
71. ## criminal justice communication

I was assigned a paper to write against police stun guns and patrol car video surveillance. I have found some good sites and article on Police stun gun But I have not been able to find any information against Police Video Surveillance any help or

asked by RAY on February 7, 2008
72. ## ALGERBRA 2

rosalyn works no more than 25 hours a week during the school year. she is paid \$12 an hour for tutoring geometry and \$8 an hour for delivering pizzas for Pizza King. she wants to spend at least 2 hours but no more than 7 hours a week tutoring. find

asked by faith on October 20, 2011
73. ## Physics

A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1x10^4 rev/min. (a) Find the drill's angular acceleration. rad/s2 (b) Determine the angle (in radians) through which the drill rotates during this

asked by Allie on October 7, 2011
74. ## math

Thirteen bowlers were asked what their score was on their last game. The scores are shown below. 190, 150, 154, 194, 182, 190, 170, 151, 190, 170, 178, 161, 180 Find the range of the bowlers’ scores.

asked by Anon on February 27, 2016
75. ## Analytical CHM Lab

I am filling out my neutralization titration data sheet and i did not understand how to find buret correction (ml) and corrected volume(ml) and Molarity of NaOH without buret correction and as well as with buret correction. in the lab we have used 50 ml of

asked by Jessy on September 19, 2014
76. ## math - statistics

Football team makes in average 2 touchdowns per game. Use Poisson distribution to find probability that this team will make 5 touchdowns in the next 3 games (adjust ë) Tip: use Poisson Appendix Table or Excel function Poisson(x, ë, false) for x=5 and ë

asked by tanya on December 4, 2010
77. ## Maths

For the transformation w=z^2, find the locus of w when z lies on the imaginary axis. I thought the locus would be a line along the real axis as I thought w= r^2 or -r^2 but the book says it has argument pi which would mean only on the negative real axis ie

asked by Jake on February 24, 2007
78. ## maths

The total population of the earth was estimated to be 6.42 billion people.Given that the total land surface area of the earth is about 1.5×10^8km^2.Find the average number of people living in 1 km^2 of land on earth,correct to 2 significant figures.Thanks

asked by ashley on January 11, 2014
79. ## physics

The lightbulb in the circuit shown in the figure has a resistance of 14 Ω and consumes 4.2 W of power; the rod is 1.18 m long and moves to the left with a constant speed of 2.9 m/s . The strength of the magnetic field is 2.2 T . Find the current that

asked by jacob on April 8, 2016
80. ## Physics

The drawing shows a person (weight W = 592 N, L1 = 0.841 m, L2 = 0.410 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position. force on each hand N force on each foot N

asked by Robinson on April 4, 2008
81. ## Chemistry

Calculate the molarity of the nitrate ion in a 0.111 M solution of calcium nitrate? so would I have to find the number of moles of (NO3)2 and then divide it by the 0.111 M to get the molarity of the nitrate ion I am so confused please explain the set up I

asked by Amber on March 22, 2013
82. ## physics

a submarine fitted with a SONAR system operates at a frequency 50kHz. An enwmy submarine is now moving towards it with a speed of 450km/hr. Find the frequency of the sound received back at the SONAR from the enemy submarine. Velocity of sound in water is

asked by please Help urgently on May 25, 2016
83. ## Math

I want to fence in a square vegetable patch. The fencing for the east and west sides costs \$5 per foot, and the fencing for the north and south sides costs only \$4 per foot. Find the total cost of the fencing as a function of the length of a side x (feet).

asked by Jeoffry on September 1, 2016
84. ## algebra

a large group of students want to go to the movies. if the students take 3 vans and 1 car they can transport 22 people. if they take 2 vans and 4 cars. they can transport 28 people.write and solve a system of equations to find the number of people that can

asked by kayla on December 4, 2012
85. ## physics

a car is approaching a traffic light at 25m/s when it turns red. The driver takes 1 second to react and put his foot on the brake pedal, after which the car decelerates at 2m/s^2. find the distance needed for the car to come to stop after the light turns

asked by Keith on January 25, 2011
86. ## Physics

A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1 104 rev/min. (a) Find the drill's angular acceleration. rad/s2 (b) Determine the angle (in radians) through which the drill rotates during this

asked by Allie on October 6, 2011
87. ## Physics

A 10 kg object (m1) initially moving to the right at 20 m/s makes a totally elastic head on collision with a 15 kg object (m2) which was initially moving to the left at 5 m/s. Find the final velocities of each object. HINT: Treat this as a one-dimensional

asked by Anonymous on November 6, 2016
88. ## AP Physics

A 239-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 29.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.800, and the log has an

asked by Corey on November 13, 2008
89. ## Algebra 2

Two sailboats are 9.8 miles apart and sailing toward each other. The larger boat sails 4 miles per hour faster than the smaller boat. The two boats pass each other after 0.7 hour. Find the speed of each boat. I cannot figure out for the life of me how to

asked by Cathy on September 17, 2007
90. ## trig

A spring is attached to the ceiling and pulled 17 cm down from equilibrium and released. After 3 seconds the amplitude has decreased to 16 cm. The spring oscillates 13 times each second. Assume that the amplitude is decreasing exponentially. Find an

asked by Tricia on August 17, 2014
91. ## Maths

A mathematics class has 200 members. If there is 12% absentee rate per class meeting, find: a) mean, variance and standard deviation number of students who will be absent from each class. b) Draw the probability table and distribution graph of the number

asked by Skin on October 31, 2011
92. ## Statistics

A mathematics class has 200 members. If there is 12% absentee rate per class meeting, find: a) mean, variance and standard deviation number of students who will be absent from each class. b) Draw the probability table and distribution graph of the number

asked by Skin on October 31, 2011
93. ## Chem

Consider the reaction: A(g)⇌2B(g) Find the equilibrium partial pressures of A and B for each of the different values of Kp. Assume that the initial partial pressure of B in each case is 1.0 atm and that the initial partial pressure of A is 0.0 atm. Make

asked by Chris on May 15, 2015
94. ## physics help me

A spring is hung from the ceiling. A 0.300 kg block is then attached to the free end of the spring. When released from rest, the block drops 0.170 m before momentarily coming to rest. (a) What is the spring constant of the spring? (b) Find the angular

asked by steve on November 16, 2010
95. ## physics

The drawing shows a person (weight W = 581 N, L1 = 0.843 m, L2 = 0.404 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position. force on each hand N force on each foot N

asked by chelsea on May 23, 2012
96. ## Physics

Take the radius of the earth at the equator to be 6380 km a. Find the speed the speed of an object at the equator due to the earth's rotation. ___m/s b. Convert this speed to miles/hour (show your conversion factor in your written backup). __miles/hour

asked by Sam on March 5, 2012
97. ## Intro to computers

You have created a worksheet documenting sales over every quarter since the start of your company. Each column represents a quarter and each row represents a product you sell. Each cell contains the sales generated for that product. You want to find the

asked by Anonymous on May 29, 2016
98. ## PHYSICS

A 287-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.810, and the log has an

asked by STEPHANIE on September 30, 2010
99. ## physics

1 junction of a thermocouple is kept in melting ice and the other in boilin H20.The readin of currnt on a micro ammeter is 96mA.The micro ammetr reads 60mA when the hot junction is immersed in hot H2O.Find the temperature of the hot H20

asked by Luc on March 27, 2012
100. ## Chemistry

0.5g of MG ribbon is reacted with 100ml of 1M HCL. The initial temperature of HCL is 20.4 degrees celsius. After the reaction the highest recorded temperature is 40.7 degrees celsius. Calculate the molar enthalpy of MG. I tried to find mol from HCl and

asked by Jacob on October 17, 2016