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April 25, 2015

Search: A 66.0 kg person throws a 0.0420 kg snowball forward with a ground speed of 28.0 m/s. A second person, with a mass of 55.0 kg, catches the snowball.

Number of results: 65,769

Physics
June stands on the roof of the house which is 22.8 m high and she throws the ball at an initial speed of 4.90 m/s downward at Ben who is 1.80m tall. a) With what speed does she hit her target's head and b) how much time was it in the air? Displacement= 21 m. -Place coordinates...
June 7, 2014 by Luis

physics
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
November 7, 2014 by Anonymous

physics
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
November 7, 2014 by Anonymous

physics
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
November 7, 2014 by Anonymous

physics
Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of the velocity) is the ...
November 7, 2014 by Anonymous

Math-
A ball is thrown vertically upward with an initial velocity of 96 feet per second. The distance s (in feet) of the ball from the ground after t seconds is s(t)=96t-16t^2 a.) at what time will the ball strike the ground b.) for what time t is the ball more than 128 feet above ...
March 25, 2012 by danielle

IB pHYSICS REGENTS
A ball is thrown straight downward with a speed of 0.50 meter per second from a height of 4.0 meters. What is the speed of the ball 0.70 second after it is released?
February 11, 2010 by Anonymous

physics
A baseball player with mass m = 80 kg, sliding into second base, is retarded by a frictional force of magnitude 450 N. What is the coefficient of kinetic friction k between the player and the ground?
February 21, 2010 by Anonymous

Physics
A person standing close to a railroad crossing hears the whistle of an approaching train. He notes that the pitch of the whistle drops as the train passes by and moves away from the crossing. The frequency of the distant approaching whistle is 540 Hz; it drops to 470 Hz after ...
December 7, 2012 by Emily

physics
Suppose a 46-N sled is resting on packed snow. The coefficient of kinetic friction is 0.11. If a person weighing 625 N sits on the sled, what force is needed to pull the sled across the snow at constant speed?
October 27, 2011 by anna

heritage
Suppose a 49-N sled is resting on packed snow. The coefficient of kinetic friction is 0.10. If a person weighing 585 N sits on the sled, what force is needed to pull the sled across the snow at constant speed
November 27, 2011 by doy do

Physics
Suppose a 47-N sled is resting on packed snow. The coefficient of kinetic friction is 0.14. If a person weighing 670 N sits on the sled, what force is needed to pull the sled across the snow at constant speed?
November 17, 2012 by Andrew

help ASAP Statistic
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
March 17, 2014 by helen

physics
1. a particle A of mass 150g lies at rest on a smooth horizontal surface. a second particle B of mass 100g is projected along the surface with a speed of u m.s and collides directly with A. on collision the masses coalesce and moves on with a sped of 4 m.s . find the value of u?
April 25, 2011 by janell

Physics
A plane flying horizontally at a speed of 50m/s and at an elevation of 160m drops a package. two seconds later it drops a second package. How far apart will the two packages land on the ground? a)100m b)162m c)177m d)283m i think the answer is a) I got 150m for the first ...
September 25, 2007 by Tammy

AP physics B
A billiards cue ball of mass 0.380 kg has a perfectly elastic head-on collision with a standard pool ball. The second pool ball which started at rest travels with a speed which is half the original speed of the cue ball. (a) Calculate the mass of the pool ball. kg (b) ...
November 2, 2012 by Need help fast

physics
A block of mass m = 1.02 kg is suspended above the ground at a height h = 14.4 m by a spool with two arms. The spool-with- arms arrangement is a combination of a solid uniform cylinder of mass M = 3.43 kg and radius R = 0.440 m, and two rods, each of length l = 0.559 m and ...
November 4, 2014 by Lauren

chem
I am not sure if there is an equation for this problem or wut?? A 73-kg person is accidentally exposed for 215 s to a 16-mCi source of beta radiation coming from a sample of 14C. What is the activity of the radiation source in disintegrations per second? In becquerels? (1 Ci...
September 10, 2012 by sara

Physics
Two cars travel at the same speed, so that they move 105 km in one hour. One car, a sleek sports car, has a motor that delivers only 35 kW of power at this speed. The other car needs its motor to produce 65 kW to move the car this fast. The difference is caused by air ...
August 18, 2011 by Gullu

Physics
Two cars travel at the same speed, so that they move 105 km in one hour. One car, a sleek sports car, has a motor that delivers only 35 kW of power at this speed. The other car needs its motor to produce 65 kW to move the car this fast. The difference is caused by air ...
August 18, 2011 by Gullu

physic
2. While throwing a football, you exert a forward force of 50.0 N on it and push it forward a distance of 1.2 m.
December 23, 2010 by sabrina

Physics
A gray kangaroo can bound across level ground with each jump carrying it 8.4 from the takeoff point. Typically the kangaroo leaves the ground at a 23 angle. What is its takeoff speed? What is its maximum height above the ground?
September 26, 2012 by Senko

physics
A mass with an initial combined potential energy and kinetic energy of 10,000 joules is dropped onto a fence post to drive it into the ground. The post is driven 0.25 meters into the ground before it comes to rest with the mass sitting on top of the post. How much work was ...
January 24, 2012 by Charles

S.S. 1 question
5. What did delegates decide about how the number of representatives for each state would be determined? a. Each state would get a number of representatives directly proportional to its population. b. Each state would get a number of representatives proportional to its ...
November 8, 2012 by Jman

Physics
A child of mass m is playing on a merry-go-round which has mass 6m and radius r. Assume the merry-go-round is a uniform disk. The child is standing on the edge of the merry-go-round, which is spinning with an angular speed ω1. a) What is the moment of inertia, I1, of the ...
November 30, 2014 by Alex

physics
a ball of mass 0.4 kg is initially at rest on the ground. It is kicked and leaves teh kicker's foot with a speed of 5 m/s in a direction of 60 degrees above the horizontal. What is the impulse
November 30, 2011 by emma

physics
The planet mars has a mass of 6042e23 kg and a radius of 3038e6 m. how much would a 60 kg person weigh on Mars compared to their weight on Earth? How heavy he would feel he weighed in kg on Mars?
June 23, 2011 by edward

Statistics
Use the multiple regression equation to predict a person's salary. Assume that the variable A is the number of years of college. Assume that the variable B is the number of years of experience. Suppose the person has 7 years of college and 3 years of experience. What should ...
November 9, 2012 by jassi

statistics
Use the multiple regression equation to predict a person's salary. Assume that the variable A is the number of years of college. Assume that the variable B is the number of years of experience. Suppose the person has 7 years of college and 3 years of experience. What should ...
November 12, 2012 by jassi

Physics
7. An early objection to the idea that the earth is spinning on its axis was that the earth would turn so fast at the equator that people would be thrown into space. Show the error in this logic by calculating the centripetal force needed to hold a 100. kg person in place at ...
February 2, 2015 by Brian

Statistic help ASAP Please
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
March 17, 2014 by Helen

Physics
A block with mass m1 on a plane inclined at angle  to the horizontal is connected to a second hanging block with mass m2 by a cord passing over a small, frictionless pulley, as shown. The coefficient of static friction is us and the coefficient of kinetic friction is ...
April 14, 2012 by modjadji

essay cont.: mrs. sue
The next step for a student to do is to take all of the information he or she learned in the class, and apply it to his or her future. For example, when one buys a house in the future, it is necessary to take out a loan. To do this, one has to consider interest rates and must ...
November 28, 2007 by julie

ethics
A person driving home late one evening on a dark, deserted road comes across a single-vehicle accident. Getting out of the car and viewing the damaged vehicle, it is clear that the lone occupant, the driver, is hurt and unconscious. Wishing to help the injured person, the "...
April 18, 2011 by Ria

College Physics
A 40 kg child is standing on the edge of a merry-go-round in a playground. Before they were deemed too dangerous, these were quite common. They were just huge rotating platforms you could sit on while someone spun you around in uniform circular motion until you screamed in ...
April 8, 2012 by Taylor

physics
A stone is thrown straight downward with a speed of 2.2 meter per second from a height of 28 meters. What is the speed of this stone 1 second after it is released? [Neglect air resistance.]
October 15, 2009 by Janice

Math help understand
Have world problem and I don't get it please explain step by step simplify and show me as many ways as possible cause one might be easier than other !! A bicycle travels at constant speed of 15km/hr. Bus starts 195km behind bicycle and catches up to bicycle in 3 hrs. What's ...
March 20, 2014 by Annie

physics
A juggler throws a ball from height of 0.950 m with a vertical velocity of +5.50 m/s and misses it on the way down. What is its velocity when it hits the ground?
November 14, 2010 by leila

physics
A juggler throws a ball from height of 0.950 m with a vertical velocity of +4.25 m/s and misses it on the way down. What is its velocity when it hits the ground?
December 20, 2010 by sabeen

physics
anyone??? A juggler throws a ball from height of 0.950 m with a vertical velocity of +4.25 m/s and misses it on the way down. What is its velocity when it hits the ground? thanks.
December 20, 2010 by sabeen

physics
A juggler throws a ball from height of 0.950 m with a vertical velocity of +4.25 m/s and misses it on the way down. What is its velocity when it hits the ground?
December 22, 2010 by sk

physics
A person whose mass is m = 60.5 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α = 31.7 with the horizontal. What is the reading on the scale? For this question I used the formula FN=mgcostetha= 60.5x9.8xcos31.7 but the answer is...
September 28, 2014 by fresno T

Physics
Please help due in less than 2 hours!! A person whose mass is m = 86.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α = 21.3 with the horizontal. What is the reading on the scale? i've tried m*g*sin(21.3) and it still says I'm ...
February 23, 2015 by anon

Math
i have to do math riddles and their hard so can you help me out with this one please "six students lined up for a free throw competition. The fourth person won the event. Place the students in order and identify the winner. Paulin went before Ayla and rowen. Ayla shot right ...
January 2, 2010 by Daminiq

physics
A cannon on a railroad car is facing in a direction parallel to the tracks (the figure below ). It fires a 99-kg shell at a speed of 105 m/s (relative to the ground) at an angle of 60 above the horizontal. If the cannon plus car have a mass of 4.6 104 kg, what is the recoil ...
February 25, 2011 by Renee

physics
a person walks first a constant speed of 5.00m/s along a straight line from point A to point B and then back along the line from point B to A at a constant speed of 3.00m/s. (a) what is her average speed over the entire trip? (b) what is her average velocity over the entire trip?
January 27, 2010 by millie

Physics
I fire a tennis ball from an air cannon, straight up from ground level, at initial speed v0. At the instant it reaches the top of its trajectory, I fire a second tennis ball at the same initial speed. Air resistance is negligible. At what fraction of the maximum height reached...
February 10, 2011 by Cecille

Physics
I fire a tennis ball from an air cannon, straight up from ground level, at initial speed v0. At the instant it reaches the top of its trajectory, I fire a second tennis ball at the same initial speed. Air resistance is negligible. At what fraction of the maximum height reached...
February 12, 2011 by Cecille

English
Forward: push forward, onward, do. How can you apply this to your life?
October 17, 2013 by unknown

physics
An airplane of mass 1.6 x 10^4 kg is moving at 58 m/s. The pilot then revs up the engine so that the forward thrust by the air around the propeller becomes 7.0 x 10^4 N. If the force exerted by air resistance on the body of the airplane has a magnitude of 6.0 x 10^4 N, find ...
October 11, 2012 by Amy

Chemistry
Three people weigh on a standard mass of 2.00 g on the same balance. Each person obtains a reading of 7.32 for the mass of the standard. These results imply that the balance that was used is ___________. a) neither accurate nor precise b) accurate c) precise d) accurate and ...
February 20, 2014 by Bryan

math
) A wierd number is a number that is the product of two consecutive primes, such as 7x11=77 . What is the least common multiple of the 5 smallest wierd number 7) According to an ancient belief, when a friend visits a sick person, 1/70 of his sickness is taken away. What is the...
February 25, 2007 by brenton atcheson

Physics
A man stands on the roof of a building that is 50 m tall and throws a rock with a velocity of 35 m/s at an angle of 50 degrees above the horizontal (a) What is the total time in the air (b) What is the horizontal distance from the base of the building to the point where the ...
December 18, 2013 by Vlad

Physics
A man stands on the roof of a building that is 50 m tall and throws a rock with a velocity of 35 m/s at an angle of 50 degrees above the horizontal (a) What is the total time in the air (b) What is the horizontal distance from the base of the building to the point where the ...
December 18, 2013 by Vlad

physics
A stone is dropped from a 75 m high building. when this stone has dropped 15m, a second stone is thrown downward with an initial velocity such that two stones hit the ground at the same time. find a. time taken for the first stone to fall 75m. (b) the time taken for the second...
October 19, 2010 by elaine

physics
A stone is dropped from a 75 m high building. when this stone has dropped 15m, a second stone is thrown downward with an initial velocity such that two stones hit the ground at the same time. find a. time taken for the first stone to fall 75m. (b) the time taken for the second...
October 19, 2010 by elaine

Science 10
A person hits a 45-g golf ball. The ball comes down on a tree root and bounces straight up with an initial speed of 14.0 m/s. Determine the height the ball will rise after the bounce The equation is height= 1/2 velocity^2 / g where g is 9.8m/s^2
July 16, 2007 by Caitlin

physics
Driving in your car with a constant speed of 12 m/s, you encounter a bump in the road that has a circular cross-section. If the radius of curvature of the bump is 35 m, find the apparent weight of a 63-kg person in your car as you pass over the top of the bump.
March 6, 2011 by Randy

Cultural Diversity
I have to write a 1400 to 1750 word autobiographical research paper that analyzes the influences of race as it relates to my community. In the paper I must write a first person account of how human interactions in my community have been racialized. What is an autobiographical ...
January 12, 2010 by Susan H.

statistics
A person owns both her own business and her own home and purchases a cariety of insurances to protect them. In any one year the probability of an insurance claim on the business is .4 and on the home is .05. Assuming that these are independent events, find the probability that...
October 2, 2009 by Sharon

Physics
A ball is dropped from rest from a height of 20.0 m. One second later a second ball is thrown vertically downwards. If the two balls arrive on the ground at the same time, what must have been the initial velocity of the second ball?
August 28, 2011 by Anonymous

Physics
A ball is dropped from rest from a height of 20.0m. One second later a second ball is thrown vertically downwards. If the two balls arrive on the ground at the same time, what must have been the initial velocity of the second ball?
August 31, 2012 by Alex

Physics
A ball is dropped from rest from a height of 20.0m. One second later a second ball is thrown vertically downwards. If the two balls arrive on the ground at the same time, what must have been the initial velocity of the second ball?
August 31, 2012 by Alex

science
A stone is dropped into a river from a bridge 43.9 m above the water. Another stone is dropped vertically down 1s after the first is dropped. Both stones strike the water at the same time. a) What is the initial speed of the second stone? Write an equation for the vertical ...
September 17, 2006 by sara

physics
A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 40.0 min at 85.0 km/h, 12.0 min at 95 km/h, and 35.0 min at 30.0 km/h, and spends 35.0 min eating lunch and buying gas. Determine the average speed for the ...
September 13, 2011 by gigi

Urgent maths homework help
At a boarding school, in the evening, 9 students always take walks in groups of 3. How can the groups be arranged so that each person walks in a group with every other person exactly once in 4 days? I would like to know whether there is a trick to these type of questions. My ...
February 21, 2015 by paul

enhancing children's self esteem
I need a little help.2.according to many social scientist,adolescence ends for most people. A.when the physical and intellectual changes of puberty have occurred B.by the time the person reaches age 20. C.when they're most comfortable with and have a clear understanding of who...
December 15, 2009 by neva

math
Twenty people apply for seven jobs that are available at fly by night aircraft company 12 are men and the rest are women. How many seven person groups have exactly three men? How many of these seven person groups have exactly three men or three women?
May 24, 2012 by Jake

world history
12. The Chinese philosopher Xunzi wrote that if a person attempted to cure rheumatism by beating a drum and sacrificing a pig to the gods, then the A. rheumatism wouldn't get better because proper therapy required playing a flute and sacrificing a chicken. B. rheumatism would ...
October 6, 2012 by jake

Physics
A person swings a 0.33 kg tether ball tied to a 5.4 m rope in an approximately horizontal circle. (a) If the maximum tension the rope can withstand before breaking is 11 N, what is the maximum angular speed of the ball?
March 7, 2010 by John

history
The Fourth Amendment states that the right of the people against unreasonable search and seizures of their persons, houses, papers, and personal effects shall not be violated. This amendment to the U.S. Constitution upholds which of the following common law principles? 1)The ...
June 4, 2010 by kayci

Physics
Two pole-vaulters just clear the bar at the same height. The first lands at a speed of 8.50 m/s, and the second lands at a speed of 8.80 m/s. The first vaulter clears the bar at a speed of 1.50 m/s. Ignore air resistance and friction and determine the speed at which the second...
October 9, 2012 by Sam

phsyics
A mass, m1 = 9.36 kg, is in equilibrium while connected to a light spring of constant k = 112 N/m that is fastened to a wall. A second mass, m2 = 6.71 kg, is slowly pushed up against mass m1, compressing the spring by the amount A = 0.201 m The system is then released, and ...
November 5, 2009 by Anonymous

physics
A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 12.0 m/s. The student throws a ball into the air along a path that he judges to make an initial angle of 60.0 with the horizontal and to be in line with the ...
February 17, 2011 by kia

physics
A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 12.0 m/s. The student throws a ball into the air along a path that he judges to make an initial angle of 60.0 with the horizontal and to be in line with the ...
February 18, 2011 by Anonymous

physics
A science student is riding on a flatcar of a train traveling along a straight, horizontal track at a constant speed of 12.8 m/s. The student throws a ball into the air along a path that he judges to make an initial angle of 67.0 with the horizontal and to be in line with the...
October 11, 2012 by sedef

physical
A block with mass m1 on a plane inclined at angle to the horizontal is connected to a second hanging block with mass m2 by a cord passing over a small, frictionless pulley, as shown. The coefficient of static friction is Us s and the coefficient of kinetic friction is Uk...
April 5, 2012 by Lebza

Physics
An attack helicopter is equipped with a 20- mm cannon that fires 198 g shells in the forward direction with a muzzle speed of 711 m/s. The fully loaded helicopter has a mass of 4810 kg. A burst of 75.3 shells is fired in a 6.27 s interval. What is the resulting ...
December 23, 2012 by Anonymous

trig/precalc
An airplane with a ground speed of 750 mph and a bearing of N 40 E encounters a wind of 50 mph with a bearing of S 30 E. Find the bearing and ground speed of the plane.
December 16, 2012 by Mia

physics
You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics, you ask one of the archers to shoot an arrow parallel to the ground. Unfortunately the archer stands on an elevated platform of unknown height. ...
November 17, 2010 by michaelJ

Math
If a pitcher throws a ball to homeplate at a speed of 57 miles per hour for the distance of 47 feet how long does it take to cross homeplate? I multiplied distance x speed and got 2679 but not sure what that means???
August 29, 2014 by Alicia Martinez

calc 3
The magnitude of a velocity vector is called speed. Suppose that a wind is blowing from the direction N45W at a speed of 40 km/h. (This means that the direction from which the wind blows is 45 west of the northerly direction.) A pilot is steering a plane in the direction N60...
August 31, 2012 by Becky

earth
The weight (V) of an object on Venus varies directly as its weight (E) on Earth. A person weighing 120 lb on Earth would weigh 106 lb on Venus. How much would a person weighing 180 lb on Earth weigh on Venus?
September 5, 2012 by Anonymous

algebra
1.You flip a coin 30 times and get heads 11 times, so the chance of getting heads is 11/30. Is this an example of theoretical or experimental probability? theoretical experimental * 2.You have made 3 out of 10 of your last free throws. How many free throws can you expect to ...
March 18, 2013 by Cassie

Physics...help please!
I fire a tennis ball from an air cannon, straight up from ground level, at initial speed v0. At the instant it reaches the top of its trajectory, I fire a second tennis ball at the same initial speed. Air resistance is negligible. At what fraction of the maximum height ...
February 11, 2011 by Cecille

Statistics
A recent study stated that if a person chewed gum the average number of sticks of gum he or she chewed daily was eight. To teat the claim a researcher selected a random sample of 36 gum chewers and found the mean number of sticks of gum chewed per day was 9 and the standard ...
April 8, 2009 by Camille

writing
I'm Writing a Discursive Essay on the topic "is it more difficult to be a young person today then it was 50years ago", I have these main points: "we have technology but its brought us media pressue" "Better education system but with more pressue to succed" "Medical ...
February 19, 2012 by khabo

physics
A new event has been proposed for the Winter Olympics. An athlete will sprint 150.0 m, starting from rest, then leap onto a 20.8 kg bobsled. The person and bobsled will then slide down a 46.0 m long ice-recovered ramp, sloped at =21.0, and into a spring with a carfully ...
October 31, 2009 by Anonymous

physics
A new event has been proposed for the Winter Olympics. An athlete will sprint 150.0 m, starting from rest, then leap onto a 20.8 kg bobsled. The person and bobsled will then slide down a 46.0 m long ice-recovered ramp, sloped at =21.0, and into a spring with a carfully ...
November 1, 2009 by Anonymous

PHYSICS
A Few questions- please help!!! also show steps! What magnitude of force, acting for 0.025 s, will change the velocity of a 100 g ball from 30 m/s eastward to 40 m/s westward? A girl holds a 1.7 kg air rifle loosely and fires a bullet of mass 2 g. The muzzle velocity of the ...
January 4, 2012 by Dyl

Physics
A quarterback takes the ball from the line of scrimmage, runs backward for 8 yards, and then runs sideways parallel to the line of scrimmage for 5 yards. At this point, he throws a 49 yard forward pass straight down the field. What is the magnitude of the football's resultant ...
February 27, 2012 by Anonymous

precalc
1. A plane is headed at 122 degrees with an air speed of 350mph in a wind that is blowing from 38 degrees. Find the ground speed of the plane and the speed of the wind if the actual flight was at 133 degrees. 2. A plane is heading at 20 degrees at 300mph If a wind is blowing ...
April 14, 2013 by sarah

prob. & stat.
A pond is freshly stocked with 15 brown trout and 9 lake trout. The first fisherman in the area catches and releases a trout. He catches another trout a while later. What is the probability that the fisherman caught brown trout each time?
April 1, 2015 by sweet12

Math
According to the U.S. Census Bureau's most recent data on the marital status of the 242 million Americans aged 15 years and older, 124.2 million are currently married and 74.5 million have never been married. If one person from these 242 million persons is selected at random, ...
October 2, 2014 by Jim

Physics doppler effect
A person standing close to a railroad crossing hears the whistle of an approaching train. He notes that the pitch of the whistle drops as the train passes by and moves away from the crossing. The frequency of the approaching whistle is 523 Hz, and drops to 491 Hz after the ...
May 16, 2011 by Joan

Calculus
Assume the world population will continue to grow exponentially with a growth constant (corresponding to a doubling time of about 52 years), it takes acre of land to supply food for one person, and there are 13,500,000 square miles of arable land in in the world. How long will...
October 13, 2011 by Isiah

Algebra II
A projectile is launched from a platform 10 meters above ground with an initial upward velocity of 20 meters per second. Find the time when the projectile has returned to the initial height launch, find the time the projectile hits the ground, find the time when the projectile...
December 8, 2011 by Julia

diversity
How will you apply the knowledge you have learned about effective business communication and cultural diversity to your current/future job and college courses? First, think about your current or future job and college courses. Second, make a list of the things you've learned ...
June 26, 2007 by NeNe

Precalculus
The volume V(t) of air (in cubic inches) in an adult's lungs t seconds after exhaling is approximately. (Do not use mixed numbers in your answer.) V(t)= 53+28.5sin(pie(t)/2-pie/2) (a) Find the maximum and minimum amount of air in the lungs. Maximum is (cubic inches) Minimum is...
November 21, 2010 by Max

applied physics
an ironworker drops a hammer 5.25m to the ground. what is its speed as it hits the ground?
April 22, 2013 by donna

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