Thursday

April 17, 2014

April 17, 2014

Number of results: 34,960

**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!
*Monday, July 5, 2010 at 8:55pm 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 ...
*Thursday, September 29, 2011 at 7:27pm by Anonymous*

**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.
*Monday, July 29, 2013 at 1:34pm by sammi*

**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?
*Tuesday, March 22, 2011 at 11:02pm by Anonymous*

**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?
*Tuesday, January 28, 2014 at 12:35pm 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 ...
*Sunday, September 7, 2008 at 7:07pm 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...
*Tuesday, December 13, 2011 at 5:30pm 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...
*Monday, July 8, 2013 at 8:15pm 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 ...
*Tuesday, September 28, 2010 at 11:10pm by MC*

**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.
*Tuesday, September 11, 2012 at 9:13pm by katherine*

**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 ...
*Sunday, October 10, 2010 at 8:42pm 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 9.30 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 ...
*Monday, February 7, 2011 at 4:40pm by help*

**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...
*Tuesday, January 31, 2012 at 4:41pm 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...
*Saturday, September 15, 2012 at 12:12am 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...
*Sunday, September 23, 2012 at 8:28pm 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...
*Monday, September 24, 2012 at 6:48pm 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...
*Monday, January 27, 2014 at 2:09pm by Bee*

**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 ...
*Sunday, February 7, 2010 at 8:43pm by james*

**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 ...
*Thursday, September 23, 2010 at 7:20pm 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 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 ...
*Wednesday, November 3, 2010 at 5:01pm by tom*

**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 ...
*Saturday, February 5, 2011 at 3:07pm by Bailey*

**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 ...
*Tuesday, September 4, 2007 at 10:12pm by Student*

**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 .
*Saturday, September 11, 2010 at 11:49pm by na*

**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...
*Thursday, December 4, 2008 at 9:03pm by gaby*

**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...
*Thursday, December 4, 2008 at 9:33pm by gaby*

**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?
*Saturday, March 17, 2012 at 3:32pm by Anthony*

**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 ...
*Friday, September 14, 2012 at 12:19pm by Morgn*

**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 ...
*Monday, January 14, 2013 at 4:50pm by Shanelle*

**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.
*Wednesday, October 23, 2013 at 10:04pm by tony*

**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 ...
*Wednesday, March 28, 2012 at 2:12pm by Ethan*

**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?
*Tuesday, December 7, 2010 at 1:29pm 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.)
*Monday, December 6, 2010 at 7:17pm by amv3WEBASSIGN*

**AP Physics**

the upward acceleration from the water is a=F/m = 1480/67 = 22.09 m/s^2 The diver's speed on entering the water is v = √(2as) = √(2*22.09*4.7) = 14.4 m/s In the air, the diver's speed is v = 4.9t^2, so he fell for t = √(14.4/4.9) = 1.71 seconds The diver's ...
*Monday, December 2, 2013 at 9:43pm by Steve*

**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 ...
*Wednesday, August 21, 2013 at 8:45am by physics*

**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 ...
*Thursday, March 15, 2012 at 10:27am by Timmy*

**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 ...
*Sunday, November 11, 2012 at 4:49pm by ryan*

**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 ...
*Tuesday, October 9, 2012 at 10:43pm by Anonymous*

**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?
*Monday, November 21, 2011 at 9:04pm by jeremy*

**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?
*Thursday, March 8, 2012 at 6:48pm by hheellpp*

**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. ...
*Sunday, January 21, 2007 at 4:28pm by Jake*

**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.
*Thursday, March 19, 2009 at 6:12pm by cbrown*

**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 ...
*Wednesday, March 9, 2011 at 7:35pm by Becky*

**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?
*Wednesday, August 17, 2011 at 10:47pm 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?
*Wednesday, August 17, 2011 at 10:48pm 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?
*Wednesday, August 17, 2011 at 10:48pm by Vova*

**Physics**

A stone is thrown directly upward from rest from ground level with initial speed 20.0 m/s; 1.50 s after that, a second stone is thrown directly upward from ground level with initial speed 18.0 m/s. (a) When are the stones at the same height? (b) What are the velocities of the ...
*Sunday, January 26, 2014 at 10:31pm by Nick*

**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 ...
*Thursday, February 9, 2012 at 11:39pm by strugglemcgee*

**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 ...
*Monday, February 3, 2014 at 6:44pm 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 ...
*Wednesday, February 12, 2014 at 10:59pm by edgard*

**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 ...
*Saturday, January 26, 2013 at 9:31pm by TJ Cloward*

**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 ...
*Thursday, November 21, 2013 at 7:00pm by Cami*

**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 ...
*Monday, December 2, 2013 at 8:46pm 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 ...
*Monday, December 2, 2013 at 9:43pm by John*

**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...
*Wednesday, September 21, 2011 at 11:19pm 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...
*Tuesday, March 11, 2014 at 7:00pm by Anonymous*

**physics**

An entertainer juggles balls while doing other activities. In one act, she throws a ball vertically upward, and while it is in the air, she runs to and from a table 5.20m away at a constant speed of 2.40m/s, returning just in time to catch the falling ball. A) With what ...
*Friday, July 8, 2011 at 11:17pm by izzy*

**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 ...
*Wednesday, September 18, 2013 at 10:47pm 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 ...
*Wednesday, September 18, 2013 at 10:49pm by safari*

**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 ...
*Wednesday, February 28, 2007 at 8:31pm by Christy*

**Physics**

Starting from rest, a 1.6x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.42 N on it. This force does 3.6x10-4 J of work on the flea. (a) What is the flea's speed when it leaves the ground? (b...
*Monday, March 12, 2012 at 10:21pm by April*

**Phys**

Starting from rest, a 1.6x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.38 N on it. This force does 2.6x10-4 J of work on the flea. (a) What is the flea's speed when it leaves the ground? (b...
*Wednesday, July 3, 2013 at 5:32pm by justin*

**physics**

Starting from rest, a 1.6x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.38 N on it. This force does 2.6x10-4 J of work on the flea. (a) What is the flea's speed when it leaves the ground? (b...
*Monday, July 22, 2013 at 6:35pm by ODU*

**PHYSICS**

An entertainer juggles balls while doing other activities. In one act, she throws a ball vertically upward, and while it is in the air, she runs to and from a table 5.50m away at a constant speed of 2.50m/s, returning just in time to catch the falling ball. (a)With what ...
*Tuesday, July 13, 2010 at 7:14am by Francis*

**physics**

A ball is thrown vertically upward with an initial speed of 28 m/s. Then, 1.7 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 33.3 m/s. How far above the release point will the ball and stone pass each other? The ...
*Saturday, August 3, 2013 at 6:00am by vanessa*

**Physics**

The Olympic diver completes 3.5 somersaults in 1.7 seconds. What is the average angular speed (in rad/s) of the diver?
*Monday, December 21, 2009 at 3:42pm by Joe*

**Aberdeen**

A model rocket is launched straight upward with an initial speed of 40.0 m/s. It accelerates with a constant upward acceleration of 2.50 m/s2 until its engines stop at an altitude of 120 m.
*Monday, September 20, 2010 at 11:23pm by James*

**AP Physics B**

h = ˝gt˛, since diver's initial vertical speed is 0 h = 44 m x = vt x = 5.4 m
*Tuesday, September 21, 2010 at 2:33pm by Saif Hamdan*

**physics**

4. Brick A is hurled vertically upward from a bridge at an initial speed of 4.90 m/s. One second later, Brick B is thrown horizontally from the same bridge with an initial speed of 9.80 m/s. Which hits the water first?
*Friday, October 14, 2011 at 12:27pm by Elijah*

**physics**

4. Brick A is hurled vertically upward from a bridge at an initial speed of 4.90 m/s. One second later, Brick B is thrown horizontally from the same bridge with an initial speed of 9.80 m/s. Which hits the water first?
*Friday, October 14, 2011 at 12:27pm by Elijah*

**hh**

When the baseball is shot straight upward with an initial speed of 20 \rm m/s, what is the maximum height above its initial location?
*Saturday, July 14, 2012 at 8:33am by aa*

**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 942 N and the drag force has a magnitude of 1045 N. The mass of the sky ...
*Thursday, September 23, 2010 at 11:14am by Sarah*

**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 ...
*Wednesday, October 3, 2012 at 11:24pm by Donald*

**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 950 N and the drag force has a magnitude of 1100 N. The mass of the sky ...
*Tuesday, October 23, 2012 at 7:51pm by jill*

**physics**

Suppose a ball of mass m is thrown vertically upward with an initial speed v, its speed decreases continuously till it becomes zero. Thereafter, the ball begins to fall downward and attains the speed v again before striking the ground. It implies that the magnitude of initial ...
*Sunday, June 16, 2013 at 10:36am by Anonymous*

**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. ...
*Sunday, January 21, 2007 at 5:41pm by johnny*

**science**

You throw a ball upward with an initial speed of 10 m/s. Assuming that there is no air resistance, what is its speed when it returns to you?
*Monday, July 22, 2013 at 3:38pm by miezi*

**physics**

A ball is thrown vertically upward with an initial speed of 20 m/s. Two seconds later, a stone is thrown vertically (from the same initial height as the ball) with an initial speed of 24 m/s. At what height above the release point will the ball and stone pass each other?
*Tuesday, September 16, 2008 at 2:34am by Derek*

**physics**

A large boulder is ejected vertically upward from a volcano with an initial speed of 39.0m/s . Air resistance may be ignored. (a) At what time after being ejected is the boulder moving at a speed 19.0m/s upward? (b) At what time is it moving at a speed 19.0m/s downward?
*Sunday, September 29, 2013 at 8:52pm by Emma*

**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 ...
*Wednesday, October 3, 2012 at 12:31pm by Donald*

**Physics**

A model rocket is launched straight upward with an initial speed of 47.8 m/s. It accelerates with a constant upward acceleration of 1.83 m/s2 until its engines stop at an altitude of 163 m. What is the maximum height reached by the rocket?
*Wednesday, September 14, 2011 at 4:43pm by Wing *

**physics**

A model rocket is launched straight upward with an initial speed of 50.2 m/s. It accelerates with a constant upward acceleration of 2.12 m/s2 until its engines stop at an altitude of 167 m. What is the maximum height reached by the rocket?
*Friday, August 31, 2012 at 2:52pm by NICOLE*

**physics **

A model rocket is launched straight upward with an initial speed of 51.3 m/s. It accelerates with a constant upward acceleration of 1.82 m/s2 until its engines stop at an altitude of 150 m. What is the maximum height reached by the rocket?
*Thursday, September 19, 2013 at 4:28pm by Jasmine*

**physics**

A model rocket is launched straight upward with an initial speed of 47.7 m/s. It accelerates with a constant upward acceleration of 2.02 m/s2 until its engines stop at an altitude of 157 m. What is the maximum height reached by the rocket?
*Thursday, January 23, 2014 at 6:11pm by sam*

**Physics 1**

6. –/1.5 points CJ8 4.P.014. My Notes | . Question Part Points Submissions Used 1 2 –/1 –/0.5 0/7 0/1 Total –/1.5 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...
*Wednesday, October 3, 2012 at 12:47pm by Donald*

**physics **

Two stones of different masses are thrown straight upward one on earth and on the moon (where gravity produces an acceleration of 1.67m/second squared) Both reach the same height. if the stone on the moon has an initial speed v, what was the initial speed of the stone on earth...
*Tuesday, December 7, 2010 at 8:46pm by first name*

**phyisics**

an orangutan throws a coconut vertically upward at the foot of a clif 40 m high while his mate simulaneously drops another coconut from the top of the clif. the two coconuts collide at an altitude of 20 m what is the initial velocity of the coconut that was thrown upward? i ...
*Monday, October 12, 2009 at 5:04pm by Carolina*

**Physics**

A sky diver of mass 80.0 ks jumps from a slow-moving aircraft and reaches a terminal speed of 50.0 m/s. a) What is the acceleration of the sky diver when her speed is 30.0 m/s? What is the drag force on the diver when her speed is b) 50.0 m/s? c) 30.0 m/s? If you assume drag ...
*Thursday, March 1, 2007 at 5:36am by Jean*

**Physics**

If an object is thrown in an upward direction from the top of a building 160 ft high at an initial speed of 30 mi/h, what is its final speed when it hits the ground?
*Monday, June 17, 2013 at 10:01am by Isis*

**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?
*Saturday, August 24, 2013 at 11:16pm by zah*

**physics**

A 0.500 kg is thrown vertically upward from the ground with an initial speed of 12.0 m/s. Define the initial potential energy to be zero on the ground. What are the potential energy and kinetic energy of the ball at 2.50m above the initial position?
*Thursday, November 8, 2012 at 2:56pm by Jeff*

**MATH**

An object is fired vertically upward with an initial speed of 68.6 meters per second. After t seconds, the height is shown by y = 4.9t^ + 68.6 t meters. Given that this object has an initial speed of 68.6 m/s, what is the maximum height it will reach?
*Thursday, April 26, 2012 at 12:22pm by TrACY*

**science**

A rock is thrown vertically upward with an initial speed of 100 ft/s. At the same instant another rock is thrown vertically downward from the top of a 280 ft cliff with an initial speed of 40 ft/s. Neglecting air friction,
*Wednesday, January 9, 2013 at 6:45am by Anonymous*

**Algebra**

An object is fired vertically upward with an initial speed of 68.6 meters/second. After t seconds, the height is shown by y = -49 t^2 + 68.6 t meters. Given that this object has an initial speed of 68.6 m/s, what is the maximum height it will reach?
*Sunday, May 19, 2013 at 9:39pm by Amy*

**Physics**

A startled armadillo leaps upward rising .536 m in teh first .197 s. What is its initial speed as it leaves the ground? What is its speed at the height of .536m? How much higher does it go?
*Sunday, September 9, 2007 at 6:03pm by Kristen*

**physics**

A startled armadill leaps upward rising .536 m in teh first .197 s. What is its initial speed as it leaves the ground? What is its speed at the height f .536m? How much higher does it go?
*Sunday, September 9, 2007 at 11:56pm by Kristen*

**physics**

A person throws a 2.5 lb stone into the air with an initial upward speed of 15 ft/s. Make a free-body diagram for this stone (a) after it is free of the person’s hand and is traveling upward, (b) at its highest point, (c) when it is traveling down ward, and (d) while it is ...
*Wednesday, February 1, 2012 at 1:24pm by joe*

**Science**

A model rocket is launched straight upward with an initial speed of 30.0 m/s. It accelerates with a constant upward acceleration of 2.50 m/s2 until its engines stop at an altitude of 160 m. A. what is the maximum height reached by the rocket? B. how long does the rocket stay ...
*Saturday, September 4, 2010 at 11:18pm by Taylor*

**physics**

A lowly high diver pushes off horizontally with a speed of 2.75 m/s from the edge of a platform that is 10.0 m above the surface of the water. (a) At what horizontal distance from the edge of the platform is the diver 0.866 s after pushing off? (b) At what vertical distance ...
*Wednesday, September 18, 2013 at 6:14pm by kristy*

**last one i promise....physics**

A startled armadill leaps upward rising .536 m in teh first .197 s. What is its initial speed as it leaves the ground? What is its speed at the height f .536m? How much higher does it go?
*Monday, September 10, 2007 at 12:22am by Kristen*

**physics**

A model rocket is launched straight upward with an initial speed of 45.4 m/s. It accelerates with a constant upward acceleration of 2.98 m/s 2 until its engines stop at an altitude of 150 m. What is the maximum height reached by the rocket? The acceleration of gravity is 9.81 ...
*Sunday, October 2, 2011 at 11:32am by ben*

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