Tuesday

October 21, 2014

October 21, 2014

Number of results: 28,566

**Physics**

"A diver springs upward with an initial speed of 1.8 m/s from a 3.0 m board. Find the velocity with which the diver strikes the water." Help please!
*July 5, 2010 by Stuck*

**physics**

A diver springs upward with an initial speed of 1.6 m/s from a 3.5-m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.5 m (measured from the board), assuming that the downward direction is chosen ...
*September 29, 2011 by Anonymous*

**physics**

A diver springs upward with an initial speed of 2.1 m/s from a 4.5 m board. (a) Find the velocity with which he strikes the water. (Hint: When the diver reaches the water, his displacement is y = -4.5 m (measured from the board), assuming that the downward direction is chosen ...
*September 7, 2008 by Shundale*

**Physics**

A diver springs upward with an initial speed of 2.23 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the downward direction is chosen...
*December 13, 2011 by T*

**physics**

A diver springs upward with an initial speed of 1.66 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the downward direction is chosen...
*July 8, 2013 by tcc*

**helpp in physics! so tough!**

A diver springs upward with an initial speed of 2.0 m/s from a 2.5-m board. Find the velocity with which he strikes the water. Hint: When the diver reaches the water, his displacement is y = -2.5 m (measured from the board), assuming that the downward direction is chosen as ...
*September 28, 2010 by MC*

**physics**

A diver springs vertically upward with an initial speed of 1.7 m/s from a diving board that is 3.2 m above the water. Find the speed with which she enters the water, assuming completely vertical motion.
*July 29, 2013 by sammi*

**physics**

A diver springs upward with an initial speed of 2.58 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water.(b) What is the highest point he reaches above the water?
*January 28, 2014 by Anonymous*

**Physics**

A diver (mass = 75.0 kg) walks to the end of a flexible diving board. The end of the board bends down a distance of 0.55 m. The diver's weight on the diving board makes it behave like a spring. a) Determine the spring constant of the diving board. b) Calculate the diver's ...
*January 14, 2013 by Shanelle*

**physics**

A diver springs upward from a board that is 2.98 meters above the water. At the instant she contacts the water her speed is 9.39 m/s and her body makes an angle of 70.4° with respect to the horizontal surface of the water. Determine her initial velocity.
*September 11, 2012 by katherine*

**Physics**

A diver springs upward from a board that is 4.10 m above the water. At the instant she contacts the water her speed is 11.9 m/s and her body makes an angle of 79.7 ° with respect to the horizontal surface of the water. Determine her initial velocity, both (a) magnitude and (b...
*January 31, 2012 by Alex*

**physics**

A diver springs upward from a board that is 3.90 m above the water. At the instant she contacts the water her speed is 14.9 m/s and her body makes an angle of 60.3 ° with respect to the horizontal surface of the water. Determine her initial velocity, both (a) magnitude and (b...
*September 15, 2012 by andy*

**physics**

A diver springs upward from a board that is 4.40 m above the water. At the instant she contacts the water her speed is 14.0 m/s and her body makes an angle of 68.8 ° with respect to the horizontal surface of the water. Determine her initial velocity, both (a) magnitude and (b...
*September 23, 2012 by Shannon*

**Physics**

A diver springs upward from a board that is 4.40 m above the water. At the instant she contacts the water her speed is 14.0 m/s and her body makes an angle of 68.8 ° with respect to the horizontal surface of the water. Determine her initial velocity, both (a) magnitude and (b...
*September 24, 2012 by Shannon*

**Physics**

A diver springs upward from a board that is 3.20 m above the water. At the instant she contacts the water her speed is 11.4 m/s and her body makes an angle of 68.7 ° with respect to the horizontal surface of the water. Determine her initial velocity, both (a) magnitude and (b...
*January 27, 2014 by Bee*

**Physics**

A diver springs upward from a board that is 3.00 m above the water. At the instant she contacts the water her speed is 8.90 m/s and her body makes an angle of 75.0 degrees with respect to the horizontal surface of the water. Determine her initial velocity both magnitude and ...
*September 23, 2010 by Anonymous*

**Physics**

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 8.70 m/s and her body makes an angle of 74.0° with respect to the horizontal surface of the water. What is her initial velocity, both magnitude and ...
*October 10, 2010 by Sommer*

**physics**

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.10 m/s and her body makes an angle of 77.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude and ...
*February 7, 2010 by james*

**physics**

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.00 m/s and her body makes an angle of 71.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude and ...
*November 3, 2010 by tom*

**physics**

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.30 m/s and her body makes an angle of 83.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude and ...
*February 7, 2011 by help*

**Physics- Algebra based**

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.10 m/s and her body makes an angle of 80.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude and ...
*February 5, 2011 by Bailey*

**algebra**

a diver springs from the edge of a cliff 80 ft above the ocean with an initial upward velocity of 8 ft/ s. How long will it take the diver to reach the water?
*March 22, 2011 by Anonymous*

**Physics**

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 8.80 m/s and her body makes an angle of 76.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude and ...
*September 4, 2007 by Student*

**physics**

Olympic diver Matthew Mitcham springs upward from a diving board that is 3.20 m above the water. He enters the water at a 73.0 degree angle with respect to the water surface, at a speed of 9.36 m/s. Determine the magnitude of his initial velocity. Determine the direction of ...
*September 15, 2014 by PLEASE HELP*

**physics**

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.6 m/s and her body makes an angle of 84 degrees with respect to the horizontal surface of the water .
*September 11, 2010 by na*

**physics!-concervation of energy equations**

2. a 755N diver drops from a board 10.0 m above the water's surface. Find the divers speed 5.00 m above the water's surface. then find the diver's speed just before striking the water. 3. if the diver in item 2 leaves the board with an initial upward speed of 2.00 m/s find the...
*December 4, 2008 by gaby*

**physics**

2. a 755N diver drops from a board 10.0 m above the water's surface. Find the divers speed 5.00 m above the water's surface. then find the diver's speed just before striking the water. 3. if the diver in item 2 leaves the board with an initial upward speed of 2.00 m/s find the...
*December 4, 2008 by gaby*

**physics**

A diver runs horizontally off the end of a diving board with an initial speed of 1.75 sec. If the diving board is 3.0 m above the water line, what is the diver’s speed just before she enters the water?
*December 7, 2010 by Ama*

**Physics**

A diver runs horizontally off the end of a diving board with an initial speed of 1.25 m/s. If the diving board is 3.20 m above the water, what is the diver's speed just before she enters the water? (Neglect air resistance.)
*December 6, 2010 by amv3WEBASSIGN*

**Physics**

A diver jumps off a 10m diving board with an initial upward velocity of 5.0 m/s. What is the diver's velocity after 1.5 seconds?
*March 17, 2012 by Anthony*

**science **

to begin a dive, a diver jumps into the air and then lands on the diving board, causing it to bend. what type of energy conversions occur as the board springs back & propels the diver up into the air?
*March 8, 2012 by hheellpp*

**Physics**

A high diver of mass 70 kg jumps off a diving board and enters the water with the speed of 10 m/s the average upward resistance force of water exerts on the diver is 200 N. How far in the water will the diver travel before coming to rest?
*June 16, 2014 by Anonymous*

**AP Physics**

A 45 kg gymnast steps off a platform located 1.3 m above a spring board. The spring board compresses 25 cm. a)What is the spring constant of the spring board? b) If energy is in fact conserved in this problem, explain how high the gymnast will spring upward. Assume the gymnast...
*October 21, 2012 by Anna*

**Physics**

A 50.0 kg diver steps off a diving board and drops straight down into the water. The net force when in the water is an upward 1450 N. If the diver comes to rest 5.0 m below the water's surface, what is the total distance between the diving board and the diver's stopping point ...
*March 9, 2011 by Becky*

**physics**

A 75.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1060 N. If the diver comes to rest 4.9 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
*February 9, 2012 by strugglemcgee*

**physics**

A 51.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1370 N. If the diver comes to rest 4.6 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
*January 26, 2013 by TJ Cloward*

**AP Physics**

A 67.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1480 N. If the diver comes to rest 4.7 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
*December 2, 2013 by John*

**AP Physics**

A 67.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1480 N. If the diver comes to rest 4.7 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
*December 2, 2013 by John*

**physics**

A 62.9 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1350 N. If the diver comes to rest 4.3 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
*February 3, 2014 by Anonymous*

**physics**

A 71.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1110 N. If the diver comes to rest 4.1 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
*February 12, 2014 by edgard*

**physics**

A 56.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1310 N. If the diver comes to rest 4.1 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
*May 29, 2014 by Anonymous*

**Physics**

A 55.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1320 N. If the diver comes to rest 5.8 m below the water's surface, what is the total distance between the diving board and the diver's stopping ...
*November 21, 2013 by Cami*

**Physics**

A 50 kg diver steps off a diving board and drops straight down into the water. The water procides an upward average net force of 1500 N. If the diver comes to rest 5m below the water's surface, what is the total distance between the diving board and the diver's stopping point ...
*February 28, 2007 by Christy*

**Physics**

A diver stands on the end of a diving board as shown in the figure on the right. The mass of the diver is 58 kg and the mass of the uniform diving board is 35 kg. Calculate the magnitudes and directions of the forces exerted on the board at the points A and B. A and B are 1m ...
*March 24, 2014 by Bobby*

**Physics **

At the local swimming pool, the diving board is elevated h = 7.5 m above the pool surface and overhangs the pool edge by L = 2 m. A diver runs horizontally along the diving board with a speed of v0 = 3.4 m/s and then falls into the pool. Neglect air resistance. Use a Cartesian...
*September 11, 2014 by Lauren HELP *

**PHYSICS!**

A diver leaves a 3m board on a trajectory that takes her 2.5m above the board and then into the water a horizontal distance of 2.9m from the end of the board. At what speed did she leave the board? At what angle did she leave the board?
*September 19, 2012 by Helpless*

**physics please help!!**

A diver stands on the end of a diving board as shown in the figure on the right. The mass of the diver is 58 kg and the mass of the uniform diving board is 35 kg. Calculate the magnitudes and directions of the forces exerted on the board at the points A and B. (A & B are 1 ...
*March 24, 2014 by Bobby*

**Physics**

A diver of weight 730 N stands at the end of a diving board of length L = 5 m and negligible mass. The board is fixed to two pedestals separated by distance d = 1.5 m. What are the magnitude and direction of the force on the board from the left pedestal? (Include the sign. ...
*October 28, 2009 by Ray*

**PHYSICS**

A 58.3 kg diver steps o a diving board and drops straight down into the water. The water provides an average net force of resistance of 1596 N to the diver’s fall. The acceleration of gravity is 9.81 m/s2 . If the diver comes to rest 4.7 m below the water’s surface, what is ...
*October 18, 2008 by MIKE HUNT*

**physics**

A 42.1 kg diver steps off a diving board and drops straight down into the water. The water provides an average net force of resistance of 1559 N to the diver’s fall. If the diver comes to rest 4.1 m below the water’s surface, what is the total distance be- tween the diving ...
*November 22, 2012 by scott*

**physics**

A high diver leaves the end of a 5.0 m high diving board and strikes the water 1.4 s later, 2.8 m beyond the end of the board. Considering the diver as a particle, determine the following. (a) her initial velocity, v0 1 m/s 2° 3 (b) the maximum height above the water reached 4...
*February 21, 2011 by Anonymous*

**Physics**

A diver stands at rest at the end of a massless diving board as shown in Figure P8.16. (a) If the mass of the diver is 161 kg, and the board is 4 m long, what is the torque due to gravity on the diving board? I was thinking that T=Frsin(theta)... but I can't seem to get it ...
*October 11, 2011 by Please Help!!!*

**physics**

suppose the diver vaults off the springboard, leaving it with an initial speed of 3.50 m/s upward. use energy conservation to find his spped when he strikes the water.
*October 23, 2013 by tony*

**physics**

A diver leaves the end of a 4.0-m-high diving board and strikes the water 1.3 s later, 3.0 m beyond the end of the board. Considering the diver as a particle, determine:
*October 15, 2014 by Anonymous*

**physics 1**

A 7.2 kg diver stands at the end of a diving board 2.80 meters from its support. calculate the magnitude of the torque cause by the diver on the board the point of support.
*February 1, 2011 by dominic*

**physics**

You jump from the end of a diving board that is 3 meters above the water. You spring upward from the end of the board with an initial velocity of 5 m/s. How long are you in the air? What is the speed as you hit the water? I need to know the steps in solving the problem. Thanks!
*September 7, 2007 by Jaclyn*

**physics**

A water-skier is moving at a speed of 16.7 m/s. When she skis in the same direction as a traveling wave, she springs upward every 6.9 s because of the wave crests. When she skis in the direction opposite to the direction in which the wave moves, she springs upward every 4.2 s ...
*September 14, 2012 by Morgn*

**Physics**

A diver performing a double somersault spins at an angular speed of 4.5 π rad/s precisely 0.70s after leaving the platform. Assuming the diver begins with zero initial angular speed and accelerates at a constant rate, what is the diver’s angular acceleration during the ...
*March 28, 2012 by Ethan*

**Grade 10 Math**

Could you please help me with this question: A diver dives from the 3 m board at a swimming pool. Her height, y, in metres, above the water in terms of her horizontal distance, x, in metres, from the end of the board is given by y= -x2 + 2x + 3. What is the diver's maximum ...
*November 20, 2010 by Gianluca*

**Physics**

A diver jumps off a dving board and does a twisting manuever. In the midst of his jump in the air, the diver cannot change his a. Rotational Energy b. Rotational Speed c. Rotational Inertia d. Angular momentum I say d just want to make sure
*April 28, 2009 by David*

**physics**

A diver of mass m drops from a board 12 m above the water surface. Calculate his speed 6m above the water surface. What is the speed of the diver just he strikes the water?
*August 24, 2013 by zah*

**physics**

A 48.0 kg diver steps off a 10.0 m high diving board and drops straight down into the water. If the diver comes to rest 5.0 m below the surface of the water, determine the average resistance force exerted on the diver by the water. N
*January 3, 2011 by Anonymous*

**physics**

A 751 N diver drops from a board 9.10 m above the water’s surface. The acceleration of gravity is 9.81 m/s2 . a) Find the diver’s speed 3.00 m above the water’s surface. Answer in units of m/s.
*February 11, 2011 by Anonymous*

**physics**

A diving board length = 6.00 m that weighs 210 N is supported by two pillars. One pillar is at the left end of the diving board, as shown below; the other is distance d = 1.60 m away.Find the magnitude of the force exerted by the left pillar when a 90.0 kg diver stands at the ...
*November 27, 2010 by Cerra*

**physics**

When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and thus slows him down. Suppose the weight of the sky diver is 905 N and the drag force has a magnitude of 1005 N. The mass of the sky ...
*August 21, 2013 by physics*

**Physics**

When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 852 N and the drag force has a magnitude of 1012 N. The mass of the sky ...
*September 25, 2014 by jeff*

**Physics**

An Olympic diver performs a dive from the 10 m platform and achieves a speed of 14 m/s just before entering the water. Neglecting air friction, approximately how many times larger the diver’s speed than the diver would have achieved by performing from a 1 m platform? How much ...
*March 15, 2012 by Timmy*

**physics**

A 59 kg diver stands at the end of a 32 kg springboard, the spring board is 3 m long. The board is attached to a hinge at the left end, but simply rests on the right support which is half way along the board. What is the magnitude of the vertical force exerted by the hinge on ...
*December 9, 2010 by rosie*

**math **

A diver jumps into a 10 meter deep pool from a 5 meter platform with an initial upward velocity of 3.2 meters per second. What will the divers maximum height be? After how many second will the diver hit the water? If the water were drained from the pool, and I launched a ball ...
*November 11, 2012 by ryan*

**science**

okay after the diver jumps foward from the diving board,the force of gravity will accelerate the diver PARALLEL to the direction of motion , is the uppercase true or false?
*March 8, 2010 by jack*

**Physics**

When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 914 N and the drag force has a magnitude of 1120 N. The mass of the sky ...
*October 9, 2012 by Anonymous*

**Physics**

A diving board length 5.60m that weighs 250N is supported by two pillars. One pillar is at the left end of the diving board, as shown below; the other is distance 1.55m away . Find the magnitude of the force exerted by the left pillar when a 90.0kg diver stands at the far end ...
*December 1, 2010 by ree*

**Phys help!!!!**

A diving board length 5.60m that weighs 250N is supported by two pillars. One pillar is at the left end of the diving board,the other is distance 1.55m away . Find the magnitude of the force exerted by the left pillar when a 90.0kg diver stands at the far end of the board. ...
*December 1, 2010 by ree*

**Physics**

A high diver of mass 52 kg jumps off a board 11 m above the water. If, 4.7 s after entering the water his downward motion is stopped, what average upward force did the water exert?
*December 20, 2010 by Anonymous*

**Physics**

A sturdy wooden board, 4.0 meters long and with a mass of 32 kg, rests on two supports (labeled L and R) placed 1.2 m from each end as shown in the figure below. (a) Suppose that a man with a mass of 60 kg stands at the center of the board (point a). What are the upward forces...
*November 16, 2010 by Sam*

**HELPPPPP**

A diver descends from a salvage ship to the ocean floor at a depth of 35 m below the surface. The density of ocean water is 1.025x10^3 kg/m^3. a) Calculate the guage pressure on the diver on the ocean floor. b) Calculate the absolute pressure on the diver on the ocean floor. ...
*January 21, 2007 by Jake*

**physics**

A diver jumps horizontally off a cliff with an initial velocity of 5.4 m/s. The diver strikes the water 4.5 s later. What is the vertical velocity of the diver upon reaching the surface of the water?
*November 21, 2011 by jeremy*

**physics**

with a velocity of 2.3 m/s at an angle of 110 degrees to the board. at what horizontal distance from the end of the board will the diver enter the water?
*January 6, 2014 by devi*

**algebra**

A diver jumps from a diving board that is 32 feet above the water. The height of the diver is given by h= -16(t-2)(t+1) where the height h is measured in feet, and the time t is measured in seconds. When will the diver hit the water?
*May 9, 2011 by Anonymous*

**physics**

bill steps off a 3.0-m-high diving board and drops to the water below. At the same time Ted jumps upward with a speed of 4.2 m/s from a 1.0-m-high diving board. choosing the origin to be at the water's surface and upward to be the positive direction, write x-versus-t equations...
*November 22, 2011 by taylor*

**physics**

A diver leaves the board traveling at 3.5 m/s at an angle of 75º with respect to the horizontal. What is her speed when she hits the water, 3 meters below?
*September 27, 2011 by peter*

**john tyler**

a 751 diver drops from a board 9.10 m above the water's surface. How much kinetic energy does the diver have right before he hits the water?
*December 9, 2010 by shay*

**physics**

A 31.4-kg diver free falls from the diving board and hits the water with a speed of 10.0 m/s. Based on this information, the height of the tower is __________
*July 31, 2014 by oihln*

**Physics**

A high diver of mass 69.4 kg jumps off a board 9.6 m above the water. The acceleration of gravity is 9.8 m/s2.If his downward motion is stopped 2.21 s after he enters the water, what average upward force did the water exert on him? Answer in units of N
*October 15, 2011 by Neha*

**physics**

A diver jumps off a diving board with a speed of 25m/s he returns to the water after 3s. At the top of his dive describe his velocity and his acceleration?
*September 19, 2012 by Brandon*

**Science **

A diver standing on the diving board has a mass of 89.0 kg and has a gravitational potential energy of 2.50 x 103 J. Determine how high the diver is above the water surface. (Assume the water is at ground level).Use 9.81 m/s2 as the value for gravity.
*April 29, 2012 by JodyAnn*

**physics**

Suppose the diver vaults off the springboard, leaving it with an initial speed of 3.27 m/s upwards. Use energy conservation to find his speed when he strikes the water.
*March 19, 2009 by cbrown*

**physics**

A high diver of mass 50.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting from rest. If her downward motion is stopped 2.10 s after her feet first touch the water, what average upward force did the water exert on her?
*September 21, 2012 by yeen*

**physics**

A diver runs and dives off the end of a spring board that is 0.9 meters above the surface of the water. As she takes off from the diving board, her velocity is 5.2 m/s directed 36° above horizontal calculate: a) the time she is in the air s b) the distance she lands from the ...
*October 29, 2012 by Mat*

**Physics 203**

A 5m long diving board of negligible mass is supported by two pillars. One pillar is at the end of left of the diving board, the other is 1.50m away. Find the forces exerted by the pillars when a 90kg diver stands at the far end of the board.
*April 9, 2013 by ash*

**physics... part a on**

A diver descends from a salvage ship to the ocean floor at a depth of 35 m below the surface. The density of ocean water is 1.025x10^3 kg/m^3. a) Calculate the guage pressure on the diver on the ocean floor. b) Calculate the absolute pressure on the diver on the ocean floor. ...
*January 21, 2007 by johnny*

**Physics**

Starting from rest, a 1.7x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.44 N on it. This force does 2.4x10-4 J of work on the flea. (a) What is the flea's speed when it leaves the ground? (b...
*September 21, 2011 by Hannah*

**physics **

Starting from rest, a 2.1x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.37 N on it. This force does 1.5x10-4 J of work on the flea. (a) What is the flea's speed when it leaves the ground? (b...
*March 11, 2014 by Anonymous*

**Physics**

A high diver of mass 68.2 kg jumps off a board 10.4 m above the water. The acceleration of gravity is 9.8 m/s2 . If his downward motion is stopped 3.58 s after he enters the water, what average upward force did the water exert on him? I already calculated that his velocity ...
*December 5, 2012 by Khan*

**Physics--Newtons Second Law**

A high diver of mass 60.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting from rest. If her downward motion is stopped 1.80 s after her feet first touch the water, what average upward force did the water exert on her?
*March 4, 2012 by Anonymous*

**AP Physics**

A person on a trampoline bounces straight upward with an initial speed of 4.7m/s . What is the magnitude of the person's speed when she returns to her initial height?
*August 17, 2011 by Vova*

**AP Physics**

A person on a trampoline bounces straight upward with an initial speed of 4.7m/s . What is the magnitude of the person's speed when she returns to her initial height?
*August 17, 2011 by Vova*

**AP Physics**

A person on a trampoline bounces straight upward with an initial speed of 4.7m/s . What is the magnitude of the person's speed when she returns to her initial height?
*August 17, 2011 by Vova*

**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*

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