Friday

August 1, 2014

August 1, 2014

Number of results: 22,039

**physics**

A ball thrown straight upward returns to its original level in 2.50s. A second ball is thrown at an angle of 36.degrees above the horizontal. What is the initial speed of the second ball if it also returns to its original level in 2.50
*September 17, 2011 by elisa*

**Physics**

A ball thrown straight upward returns to its original level in 2.30 . A second ball is thrown at an angle of 38.0 degrees above the horizontal. What is the initial speed of the second ball if it also returns to its original level in 2.30 ?
*September 27, 2009 by Julia*

**Physics**

A ball is thrown straight upward and returns to the thrower's hand after 3.40 s in the air. A second ball is thrown at an angle of 29.0° with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically?
*October 13, 2010 by Sammy*

**physics**

A ball is thrown straight upward and returns to the thrower's hand after 2.20 s in the air. A second ball is thrown at an angle of 31.0° with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically?
*November 18, 2010 by jennifer*

**Physics**

A ball is thrown straight upward and returns to the thrower's hand after 2.30 s in the air. A second ball is thrown at an angle of 42.0° with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically?
*June 4, 2014 by Harley*

**science**

a ball is thrown straight upward and returns to the thrower's hand after 3.00s in the air. A second ball is thrown at an angle of 30.0 deg with the horizontal. At what speed must the second ball be thrown so that it reached the same height as the one thrown vertically?
*September 8, 2009 by tani*

**Physics **

A ball is thrown straight upward and returns to the thrower’s hand after 2.90 s in the air. A second ball is thrown at an angle of 32.0 ◦ with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically? ...
*December 3, 2011 by Ryan *

**Physics**

A ball is thrown straight upward and returns to the thrower’s hand after 2 s in the air. A second ball is thrown at an angle of 38 degrees with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically? The ...
*February 5, 2013 by chris*

**Physics please help!!!!!!!**

A ball is thrown vertically upward (assumed to be the positive direction) with a speed of 21.0 m/s from a height of 9.0 m. (a) How high does the ball rise from its original position? (b) How long does it take to reach its highest point? (c) How long does the ball take to hit ...
*November 17, 2011 by Steve*

**physics**

A ball is thrown straight upward and then returns to the earth. choosing the positive direction to be upward, sketch a graph of the velocity of this ball against time. where does the velocity change direction? Explain?
*February 24, 2011 by jb*

**physics**

A ball is thrown straight upward from ground level. At what speed must the ball be thrown if it is to reach a maximum height 21 meters above the ground?
*February 7, 2014 by sean*

**Physic **

A ball is thrown vertically upward with a speed of +12.0m/s. A. how long the ball take to hit the ground after it reaches it highest point? B. What is its velocity when it returns to the level from with it started?
*September 23, 2009 by Chan*

**physics**

A ball is thrown vertically upward with a speed of +12.0 m/s. How long does the ball take to hit the ground after it reaches its highest point? What is its velocity when it returns to the level from which it started?
*May 14, 2011 by anne*

**Physics**

A ball is thrown vertically upward with a speed of 25.0 m/s from a height of 2.0 m. How high does the ball rise? How long does it take to reach its highest point? How long does the ball take to hit the ground after it reaches its highest point? What is the ball's velocity when...
*September 24, 2006 by Becca (question two of four!)*

**College Physics**

A ball is thrown upward at a speed v0 at an angle of 53° above the horizontal. It reaches a maximum height of 8.2 m. How high would this ball go if it were thrown straight upward at speed v0?
*September 30, 2011 by Mira*

**physics**

A ball is thrown upward at a speed v0 at an angle of 52.0˚ above the horizontal. It reaches a maximum height of 7.3 m. How high would this ball go if it were thrown straight upward at speed v0?
*February 18, 2012 by Shelby*

**physics**

A ball is thrown upward at a speed v0 at an angle of 52.0˚ above the horizontal. It reaches a maximum height of 7.3 m. How high would this ball go if it were thrown straight upward at speed v0?
*February 19, 2012 by Shelby*

**physics**

A ball is thrown upward at a speed v0 at an angle of 59.0¢ª above the horizontal. It reaches a maximum height of 8.7 m. How high would this ball go if it were thrown straight upward at speed v0?
*October 6, 2011 by randy*

**free fall**

A ball is thrown upward. While the ball is in the air, does its acceleration increase, decrease, or remains the same? Describe what happens to the velocity of the object from when it is thrown until when it returns.
*September 11, 2008 by Jon*

**physics**

a ball is thrown at an original speed of 8.0 m/s at an angle of 35 degrees above the horizontal. What is the speed of the ball when it returns to the same horizontal level?
*January 26, 2011 by Anonymous*

**Physical Science**

Four balls are taken to the top of a building. Ball 1 is dropped (zero initial velocity). Ball 2 is thrown straight up with a velocity of 3 m/s. Ball 3 is thrown straight out with a horizontal velocity of 3 m/s. Ball 4 is thrown straight down with a velocity of 3 m/s. Which ...
*April 28, 2013 by ayana*

**Physics**

A ball is thrown horizontally from a platform so that the initial height of the ball is 6.0 m above the level ground below. The ball lands 24 m from its original horizontal location. Find how fast the ball was thrown. Show work i just don't understand
*January 11, 2012 by Pat*

**Physics**

A ball is thrown horizontally from a platform so that the initial height of the ball is 6.0 m above the level ground below. The ball lands 24 m from its original horizontal location. Find how fast the ball was thrown. Show work i just don't understand
*January 11, 2012 by Pat*

**physicssss**

Ball is thrown vertically upward with a speed of 25.0 m/s. What is it's velocity when it returns to the level from which it had started ? After computations: The ball reaches its highest pt at 32.4 meters. It takes the ball 2.55sec to reach its highest pt. It take the ball 2....
*September 26, 2010 by CHELsea*

**Physics AP**

A ball is thrown straight upward with a speed of +12 m/s. A) what's the ball's acceleration just after it is thrown? B) how much time does it take for the ball to rise to its maximum height? C) what's the approximate maximum height the ball reaches?
*September 15, 2012 by Anna*

**physics**

a tennis ball is thrown vertically upward with an initial velocity of +8.0 m/s a) what is the velocity of the ball when it returns to its starting point? b) how long is the ball in the air? c) how high does the ball reach?
*November 29, 2012 by Isis*

**Physics**

A tennis ball on Mars, where the acceleration due to gravity is 0.379 of a and air resistance is negligible, is hit directly upward and returns to the same level 6.20 later. (a)How high above its original point did the ball go? (b)How fast was it moving just after being hit?
*October 10, 2011 by Bojian*

**physics**

2. A ball is thrown vertically upward from the 15m level in an elevator shaft with an initial velocity of 20 m/s. At the same instant an open-platform elevator passes the 6m level, moving upward with a constant velocity of 2 m/s. Determine a. When and where the ball will hit ...
*December 20, 2012 by anshuman kumar*

**Physics**

A ball is thrown vertically upward, starting at y = 0, with a velocity of 15.0 m/s. (a) Calculate the maximum vertical displacement of the ball. (b) Calculate the time required for the ball to reach its highest point. (c) What is the ball's acceleration when it is at its ...
*September 25, 2011 by Fawad*

**physic**

A ball is thrown straight up and returns to its starting point in 5 second. What is the initial speed of the ball?
*July 12, 2011 by syida*

**physics**

A ball is thrown upwards and returns to the same position. Compared with its original speed after release, its speed when it returns is about
*September 16, 2011 by Anonymous*

**physics**

A ball is thrown vertically upward with a speed of +13.0 m/s. (a) How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the ball take to hit the ground after it reaches its highest point? (d) What is its velocity when it returns to the ...
*September 15, 2011 by ashley*

**physics**

A ball is thrown vertically upward with a speed of +10.0 m/s. (a) How high does it rise? m (b) How long does it take to reach its highest point? s (c) How long does the ball take to hit the ground after it reaches its highest point? s (d) What is its velocity when it returns ...
*January 22, 2012 by seanso*

**physics**

A ball is thrown vertically upward with a speed of +10.0 m/s. (a) How high does it rise? m (b) How long does it take to reach its highest point? s (c) How long does the ball take to hit the ground after it reaches its highest point? s (d) What is its velocity when it returns ...
*January 23, 2012 by seanso*

**physics**

A ball is thrown vertically upward with a speed of 19.0 m/s. (a) How high does it rise? m (b) How long does it take to reach its highest point? s (c) How long does the ball take to hit the ground after it reaches its highest point? s (d) What is its velocity when it returns to...
*August 30, 2012 by roger*

**Physics**

A ball is thrown vertically upward with a speed of 15.0 m/s. (a) How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the ball take to hit the ground after it reaches its highest point? (d) What is its velocity when it returns to the ...
*September 21, 2012 by Kelly*

**physics**

a stone is thrown straight upward and rises to a maximum vertical height of 40.0m. with what velocity was it thrown and how long does it take for the stone to return to the initial level from which it was thrown?
*June 20, 2014 by roger*

**Physics**

A ball is thrown straight up from the ground with speed . At the same instant, a second ball is dropped from rest from a height , directly above the point where the first ball was thrown upward. There is no air resistance. Question- Find the value of in terms of and so that at...
*May 28, 2010 by Anonymous*

**physics**

two students are on a balcony 20.6 m above the street. One student throws a ball vertically downward at 14.7 m/s. At the same instant, the other student throws a ball vertically upward at the same speed. The second ball just misses the balcony on the way down. (Assume the ...
*March 2, 2011 by fsfsf*

**physics**

two students are on a balcony 20.6 m above the street. One student throws a ball vertically downward at 14.7 m/s. At the same instant, the other student throws a ball vertically upward at the same speed. The second ball just misses the balcony on the way down. (Assume the ...
*March 2, 2011 by fsfsf*

**cal**

A ball is thrown directly upward from ground level with an initial velocity v(0) = 96 ft=s. Assuming that the ball’s only acceleration is that due to gravity (i.e., a(t) = ��32 ft=s2), determine the maximum height reached by the ball and the time it takes to ...
*May 3, 2011 by fcv*

**Algebra **

If an object is thrown vertically upward with an initial velocity of v, from an original position of s, the height h at any time t is given by: h=-16t^2+vt+s(where h and s are in ft, t is in seconds and v is in ft/sec) a ball is thrown upward with initial velocity of 96 ft/sec...
*April 27, 2012 by Billy*

**Algebra 2**

If an object is thrown vertically upward with an initial velocity of v, from an original position of s, the height h at any time t is given by: h=-16t^2+vt+s(where h and s are in ft, t is in seconds and v is in ft/sec) a ball is thrown upward with initial velocity of 96 ft/sec...
*April 28, 2012 by Billy*

**Physics**

A ball is thrown straight up from the ground with speed v_0. At the same instant, a second ball is dropped from rest from a height H, directly above the point where the first ball was thrown upward. There is no air resistance. Find the value of H in terms of v_0 and g so that ...
*May 28, 2010 by Anonymous*

**Physics**

if a ball is thrown straight upward and is caught 5s after being thrown,how fast must it have been going when it left the person s hand?help
*January 17, 2011 by Joel*

**Physics**

A tennis ball is thrown vertically upward with an initial velocity of +8.0 m/s. a. what will the ball's speed be when it returns to its starting point? b. how long will the ball take to reach its starting point?
*September 24, 2008 by Eli*

**Physics**

A tennis ball is thrown vertically upward with an initial velocity of 8.0 m/s. a) what will the ball's speed be when it returns to its starting point. b) how long will the ball take to reach it's starting point?
*September 15, 2012 by Anonymous*

**Physics**

Kevin stands at the edge of a cliff, holding one ball in each hand. He throws one of the balls straight up with speed v, and at the same time he throws the other ball straight down, also with speed v. Ignoring air resistance, which ball hits the ground with greater speed? a)...
*October 26, 2010 by Gharib*

**science**

a cricket ball is thrown straight upward in the air at 14 m/s.determine the maximum height reached by the ball
*January 20, 2013 by nkululeko*

**Physics**

A tennis ball is thrown vertically upward with an initial velocity of +7.0 m/s. What will the ball’s velocity be when it returns to its starting point? The acceleration of gravity is 9.81 m/s^2. Answer in units of m/s
*September 21, 2011 by Vanessa*

**Physics - projectile **

a ball is thrown straight up at 50 m/s. What speed will it be when it returns to the thrower's hand?
*November 19, 2013 by Raina*

**physics**

A ball rolls up a ramp which abruptly ends with the ramp dropping straight down. The ball launches off the end of the ramp while still traveling at an upward trajectory, goes through projectile motion, and returns to the same height as the base of the ramp. Ignoring any ...
*November 1, 2009 by Sandhu*

**math**

A ball is thrown from the edge of a cliff with an initial velocity of 60·m/s upward. Answer the following questions using + (upward) and - (downward) to indicate the direction of the velocity. Ignore air resistance and assume the ball does not hit the ground during the ...
*October 13, 2011 by jen*

**physics**

A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball is in the air for a total time of 7.84 s. What is its initial velocity? Neglect air resistance.
*September 18, 2012 by gary*

**Physics**

A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball is in the air for a total time of 7.99 s. What is its initial velocity? Neglect air resistance.
*August 31, 2013 by RW*

**Physics**

A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball is in the air for a total time of 7.99 s. What is its initial velocity? Neglect air resistance.
*August 31, 2013 by WR*

**Phizzics....**

A 0.250 kg ball is thrown straight upward with an initial velocity of 38 m/s. If air friction is ignored, calculate the: (a) height of the ball when its speed is 12 m/s (b) height to which the ball rises before falling (c) How would your answers to (a) and (b) change if you ...
*May 10, 2012 by blue ivy*

**Physics**

At a certain instant, a ball is thrown downward with a velocity of 8.0 m/s from a height of 40 m. At the same instant, another ball is thrown upward from ground level directly in line with the first ball with a velocity of 12 m/s. Find (a) the time when the balls collide and (...
*February 26, 2013 by Dan*

**west chester university **

A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball is in the air for a total time of 8.26 s. What is its initial velocity? Neglect air resistance.
*February 9, 2013 by kayla *

**science**

The acceleration of gravity on the surface of Venus is 8.9m/s^2. Would a ball thrown upward on Venus return to the ground sooner or later than a ball thrown upward with the same speed on the earth?
*February 22, 2013 by jake*

**physical science**

The acceleration of gravity on the surface of Venus is 8.9 m/s2. Would a ball thrown upward on Venus return to the ground sooner or later than a ball thrown upward with the same speed on the earth?
*July 5, 2012 by sara*

**physical science**

the acceleration of gravity on the surface of venus is 8.9 m/s2. would a ball thrown upward from venus return to the ground sooner or later than a ball thrown upward with the same speed on the earth?
*September 14, 2012 by tracey*

**civil engineering**

A stone (on the edge of the roof) thrown from the top of a building is given an initial velocity of 20.0 m/s straight upward. The building is 50.0 m high, as shown in Fig. 4. Using tA = 0 as the time the stone leaves the thrower’s hand at position ○A . The gravitational ...
*April 1, 2013 by hamze*

**physics**

a ball is thrown vertically upward with a speed 25.0m/s (a)How high does it rise? (b)How long does it take to reach its highes point? (c)How long does it take to hit the ground after it reaches its highest point? (d)What is its speed when it returns to the level from which it ...
*September 12, 2007 by Anonymous*

**physics**

ll is thrown vertically upward with an initial speed of 16 m/s. Then, 0.65 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 27 m/s. How far above the release point will the ball and stone pass each other? The ...
*September 18, 2013 by safari*

**physics**

ll is thrown vertically upward with an initial speed of 16 m/s. Then, 0.65 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 27 m/s. How far above the release point will the ball and stone pass each other? The ...
*September 18, 2013 by safari*

**physics**

If a ball is thrown vertically upward with initial velocity of 8 meters per second, what would the speed be when it returns to the starting point with acceleration of 9.81?
*September 19, 2011 by Kelli *

**Physics**

On some planet other than Earth a ball is thrown upward at a velocity of 22.3 m/s. It returns back to the exact position that it started at in 8.8s. What is this planets value for "g"? (
*September 25, 2012 by Brooke*

**physics**

A ball thrown vertically upward has an upward velocity of 5.68 m/s at a point 11.9 m above where it was thrown. How long does the ball take to reach that point?
*October 6, 2012 by Anonymous*

**physics**

A ball is thrown upward. It leaves the hand with a velocity of 13.8 m/s, having been accelerated through a distance of 0.495 m. Compute the ball's upward acceleration, assuming it to be constant. upward
*September 15, 2011 by austin*

**physics**

A ball is thrown at 19 m/s at 41° above the horizontal. Someone located 30 m away along the line3 of the path starts to run just as the ball is thrown. How fast, and in which direction, must the catcher run to catch the ball at the level from which it was thrown? not quite ...
*October 6, 2013 by Louis*

**physics**

A ball is thrown at 19 m/s at 41° above the horizontal. Someone located 30 m away along the line3 of the path starts to run just as the ball is thrown. How fast, and in which direction, must the catcher run to catch the ball at the level from which it was thrown? not quite ...
*October 6, 2013 by Louis*

**physical science**

A tennis ball is thrown vertically upward wih an initial velocity of 8.0m/s. A) What will its speed be wheen it returns to its tarting point? B) How long will it take for it to reach its starting poing?
*April 16, 2009 by Taylor*

**Math **

A ball is tossed straight upward with an initial velocity of 80 ft per second from a rooftop that is 12 feet above ground level . The height of the ball in feet at time t seconds is given by h(t)= -16t^2 +80t+12 find maximum height above ground level the ball reaches
*February 10, 2013 by Kiley *

**Physics**

A ball is thrown upward and allow to fall under the influence of gravity. We will ignore the effects of air resistance. We consider three times: Time A, when the ball is first thrown upward, Time B when the ball reaches the peak, and Time C when the ball hits the ground. Rank ...
*June 18, 2011 by Casey *

**physics**

A ball is thrown upward. After reaching a maximum height, it continues falling back to- ward Earth. On the way down, the ball is caught at the same height at which it was thrown upward.If the time (up and down) the ball remains in the air is 2.3 s, find its speed when it ...
*September 15, 2011 by margaret*

**NU**

a ball is thrown straight upward with some unknow velocity. The ball reaches a maximum height above the launch point of 32m. how fast is the ball movin when it is 8 m above the launch point
*June 17, 2011 by frank*

**Physics**

A tennis ball is thrown vertically upward with an initial velocity of +7.0 m/s. What will the ball’s velocity be when it returns to its starting point? The acceleration of gravity is 9.81 m/s^2. Answer in units of m/s AND How long will the ball take to reach its starting point...
*September 21, 2011 by Vanessa*

**physics**

A tennis ball is thrown vertically upward with an initial velocity of +7.5 m/s. What will the ball’s velocity be when it returns to its starting point? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s How long will the ball take to reach its starting point? ...
*January 29, 2012 by shay*

**PHYSICS**

A ball is thrown upward. It leaves the hand with a velocity of 13.8 m/s, having been accelerated through a distance of 0.495 m. Compute the ball's upward acceleration, assuming it to be constant. Whats the upward acceleration?
*September 15, 2011 by austin*

**pHYSICS**

A BALL IS THROWN STRIAGHT UPWARD AND RETURMS TO THE THROWER'S HAND AFTER 3 SECONDS IN THE AIR. A SECOND BALL IS THROWN AT AN ANGLE OF 30 DEGREES WITH THE HORIZONTAL. AT WHAT SPEED MUST THE 2ND BALL BE THROWN SO THAT IT REACHES THE SAME HIEGHT AS THE ONE THORWN VERTICALLY? I ...
*November 1, 2006 by Jill Hefner*

**Physics**

Two baseballs are thrown off the top of a building that is 7.24 m high. Both are thrown with initial speed of 63.3 mph. Ball 1 is thrown horizontally, and ball 2 is thrown straight down. What is the difference in the speeds of the two balls when they touch the ground? (Neglect...
*September 21, 2010 by Gina*

**Physics **

Suppose that the gravitational acceleration on a certain planet is only 3.1 m/s2. A space explorer standing on this planet throws a ball straight upward with an initial velocity of 25 m/s. (a) What is the velocity of the ball 4 seconds after it is thrown? m/s (b) How much time...
*February 13, 2013 by Jordan *

**Physics**

Suppose that the gravitational acceleration on a certain planet is only 3.1 m/s2. A space explorer standing on this planet throws a ball straight upward with an initial velocity of 35 m/s a) What is the velocity of the ball 4 seconds after it is thrown? m/s (b) How much time ...
*September 7, 2013 by Heather*

**physics**

a ball is thrown up and reaches a maximum height of 5 m. a) what is the initial velocity of the ball? b) how long does it take for the ball to reach its maximum height? c) what is the final velocity of the ball? if i returns to where it was thrown from?
*November 29, 2012 by Isis*

**Physics**

a stone thrown from ground level returns to the same level of projection 4s after. with what speed was the stone thrown? Take g=10 m/s2
*January 14, 2013 by Alex*

**Physics**

Ball A is thrown straight down off the top of a tall building with an initial velocity of 20m/s. Ball b is thrown straight up from the top of the same building with initial velocity of 20 m/s. Which ball, if either, experiences the greater acceleration after leaving the ...
*February 7, 2014 by Chris*

**URGENT MATH HELP!**

When a ball is thrown upward, its height, h, in metres, is given by h=1.5 +19.6t -4.9t², where t is the number of seconds after it is thrown. For what length of time is the ball above the ground?
*March 27, 2012 by lost*

**math**

A ball is thrown vertically upward with a velocities of 18 m/s. Two seconds later another ball is thrown upwards with a velocity of 13.5 m/s. At what position above the ground will they meet?
*July 30, 2012 by paramesh*

**Dynamics**

A ball is thrown vertically upward with a velocities of 18 m/s. Two seconds later another ball is thrown upwards with a velocity of 13.5 m/s. at what position above the ground will they meet?
*July 30, 2012 by DHilsath*

**physics**

Two golf balls are thrown with the same speed off the top of a large bridge at the same time. Ball A is thrown straight downward, and Ball B is thrown horizontally off the bridge. Which ball hits the ground first?
*July 29, 2013 by cammi*

**Physics**

A baseball is thrown vertically upward (assumed to be the positive direction) with a speed of 19.3 m/s from a height of 1.18 m. How high does the ball rise from its original position?
*February 20, 2012 by Anonymous*

**BTech, Mechanical**

A ball is thrown vertically upward with velocities of 18 m/s. Two seconds later another ball is thrown upwards with a velocity of 13.5 m/s. At what position above the ground will they meet?
*July 22, 2013 by Seetharaman*

**math**

a ball is thrown vertically upward from the ground level with an initial velocity "Vo" - V sub zero a. derive a formula for the time at w/c the ball hit the ground b. use the formula to prove that the impact velocity by the ball is -Vo
*September 17, 2012 by justine*

**Physics**

8. A 0.5-kg ball has been thrown vertically upward. If we ignore the air resistance, what are the direction and size of each force acting on the ball while it is traveling upward?
*March 7, 2011 by Nicola*

**Physics**

8. A 0.5-kg ball has been thrown vertically upward. If we ignore the air resistance, what are the direction and size of each force acting on the ball while it is traveling upward?
*March 7, 2011 by Nicola*

**physics**

An object is thrown straight up. At the same instant that the object reaches its maximum height, a second object is dropped from this maximum height. Which object hits the ground first and why? Also, a ball is thrown straight up. If the ball's initial velocity is considered ...
*September 13, 2008 by meg*

**Physics**

A ball is thrown straight upward (along the y-axis) with an initial velocity of 16 m/s from the top of a building located 20 m above ground. Find the maximum height of the ball. In other words, find the ball's maximum distance from the ground. Be aware that once you find the ...
*June 20, 2011 by Promise*

**PHYSICS!**

A 0.15 kg ball of dough is thrown straight up into the air with an initial velocity of 13 m/s. (a) Find the momentum of the of dough at its maximum height. kg·m/s upward (b) Find the momentum of the ball of dough halfway to its maximum height on the way up. kg·m/s upward
*April 25, 2010 by britt*

**math**

a ball is thrown upward at 64 feet per second from the top of an 80 feet high building. The height of the ball can be modeled by S(t) = -16t^2 + 64t + 80(feet), where t is the number of seconds after the ball is thrown. describe the graph model
*October 7, 2012 by nina*

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