Number of results: 101,345
physics--HELP
Use a(t)=-32 ft/s squared as the acceleration due to gravity. A ball is thrown vertically upward from the ground with an initial velocity of 56 feet per second. For how many seconds will the ball be going upward?
Tuesday, October 9, 2007 at 11:00pm by Asia
math
A ball is thrown upward with an initial velocity of 35 meters per second from a cliff that is 80 meters high. The height of the ball is given by the quadratic equation h = -49t^2 + 35t + 140 where h is in meters and t is the time in seconds since the ball was thrown. Find the ...
Thursday, March 7, 2013 at 6:23pm by Please help me.
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
Sunday, October 7, 2012 at 8:46pm by nina
physics
a ball is thrown vertically upward at a speed of 45 m/s. how long does it take to return to the ground?
Tuesday, December 11, 2012 at 1:25am by josh
physics
A ball is thrown vertically upward with a speed of 27.6 m/s. How high does it rise? Answer in units of m.
Saturday, November 13, 2010 at 1:47pm by wesley
Physics
Two students are on a balcony 19.6 m above the street. One student throws a ball (ball 1) vertically downward at 15.8 m/s; at the same instant, the other student throws a ball (ball 2) vertically upward at the same speed. The second ball just misses the balcony on the way down...
Friday, May 13, 2011 at 12:08pm by Kelly
Physics
What is the velocity at the midway point of a ball able to reach a height y when thrown with an initial velocity v0? (Assume the ball is thrown upward and that up is the positive direction. Use the following as necessary: y and g. )
Sunday, September 4, 2011 at 7:24pm by emily
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...
Tuesday, September 21, 2010 at 1:12pm by Gina
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 ...
Monday, June 20, 2011 at 7:40pm by Promise
AP Physics
A ball of mass 0.1 kg is attached to a rubber band, which we can model as a spring of stiffness 8 N/m. With one end of the rubber band fixed, you throw the ball vertically upward with an initial speed of 14 m/s. At the moment the ball leaves your hand, the rubber band is ...
Thursday, January 20, 2011 at 9:30pm by Anonymous
physics
A tennis ball is thrown directly upward with an initial speed of 25 m/s. What is its velocity in m/s when it hits the ground?
Monday, January 10, 2011 at 4:26pm by Baylee
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 ...
Thursday, November 17, 2011 at 6:31pm by Steve
college
a ball is thrown vertically upward from the ground with the velocity of 30m/s, a)how long will it take to rise to its highest point? b)how high does the ball rise? c)how long after projection will the ball have the velocity of 10m/s upward? tnx
Friday, July 16, 2010 at 6:28am by josh
physics
a teniss ball thrown vertically upward reaches a maximun height of 33 meters above the surface of earth. at its maximun height the speed of he tennis ball is
Tuesday, October 16, 2012 at 7:00pm by delilah
physics
A 0.105 kg baseball is thrown upward with an initial speed of 12.0 m/s. (a) What is the force on the ball when it reaches half of its maximum height? (b) What is the force on the ball when it reaches its peak?
Saturday, November 6, 2010 at 11:32pm by Tim
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
Wednesday, January 11, 2012 at 11:32am 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
Wednesday, January 11, 2012 at 3:08am by Pat
ap physics
A ball is launched at an upward angle of 45 degrees from the top of a cliff 165 meters high, with a speed of 180 m/s. Use conservation of energy to find how fast it will be traveling when it hits the ground.
Friday, November 19, 2010 at 10:18am by max
Physics
A 0.105 kg baseball is thrown upward with an initial speed of 21.5 m/s. (a) What is the force on the ball when it reaches half of its maximum height? (Disregard friction.) (b) What is the force on the ball when it reaches its peak?
Tuesday, January 22, 2013 at 6:14pm by wendlen
physics
A 0.155 kg baseball is thrown upward with an initial speed of 14.5 m/s. What is the force on the ball when it reaches half of its maximum height? (Disregard friction.) What is the force on the ball when it reaches its peak?
Saturday, January 12, 2013 at 8:52pm by Dylan G.
science
A ball is thrown upward to 80m high, ball will be 2times at 80m during the interval of 6sec, accelaration -10 and find velocity?
Tuesday, August 21, 2012 at 5:01am by Anonymous
science
A ball is thrown upward to 80m high, ball will be 2times at 80m during the interval of 6sec, accelaration -10 and find velocity?
Tuesday, August 21, 2012 at 3:13am by Anonymous
Science
a ball is thrown upward at a speed of 12 m/s. It will reach the top of its path in about: a) 0.6 sec b) 1.2 sec c) 1.8 sec d) 2.4 sec Please explain how you find the answer!!! I cannot figure it out
Tuesday, February 7, 2012 at 8:25pm by Jessica
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?
Thursday, November 29, 2012 at 6:29pm by Isis
physics
A ball is dropped from rest from the top of a building and strikes the ground with the speed Vf. From ground level, a second ball is thrown straight upward at the same instant that the first ball is dropped. The initial speed of the second ball is Vi=Vf, the same with which ...
Monday, June 28, 2010 at 6:48pm by Katashia
physics
A baseball is seen to pass upward by a window 27 m above the street with a vertical speed of 12 m/s. The ball was thrown from the street. (a) What was its initial speed? (b) What altitude does it reach? (c) How long after it was thrown did it pass the window? (d) After how ...
Tuesday, September 4, 2007 at 9:29pm by peter
physics
Thrown down: From Vf^2 = Vo^2 + 2gh, Vf = 24.89m/s. From Vf = Vo + gt, t = 1.04sec. Thrown upward: From Vf = Vo - gt, t = 1.5sec. to Vf = 0 From h = Vo(t) - gt^2/2, h = 11.025m. From peak height to ground = 31.625m. From Vf^2 = Vo^2 + 2gh, Vf = 24.896m/s. Distance traveled by ...
Wednesday, March 2, 2011 at 11:21pm by tchrwill
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 ...
Thursday, December 20, 2012 at 3:57am by anshuman kumar
physics
Your physical therapist throws a baseball to you at a certain speed and you catch it. To increase the difficulty, the therapist is going to throw you a medicine ball whose mass is ten times the mass of the baseball. You are given the following choices. Rank these from easiest ...
Monday, October 15, 2012 at 7:40pm by lib
physics
Your physical therapist throws a baseball to you at a certain speed and you catch it. To increase the difficulty, the therapist is going to throw you a medicine ball whose mass is ten times the mass of the baseball. You are given the following choices. Rank these from easiest ...
Monday, October 15, 2012 at 7:40pm by lib
physics
Your physical therapist throws a baseball to you at a certain speed and you catch it. To increase the difficulty, the therapist is going to throw you a medicine ball whose mass is ten times the mass of the baseball. You are given the following choices. Rank these from easiest ...
Monday, October 15, 2012 at 7:34pm by lib
Physics
A ball is thrown upward from the ground with an initial speed of 21.5 m/s; at the same instant, a ball is dropped from rest from a building 17 m high. After how long will the balls be at the same height? The acceleration of gravity is 9.81 m/s2. Answer in units of s.
Tuesday, October 5, 2010 at 8:38pm by Anonymous
math
If a ball is thrown vertically upward from the roof of 32 foot building with a velocity of 80 ft/sec, its height after t seconds is s(t)=32+80t–16t2. What is the maximum height the ball reaches? What is the velocity of the ball when it hits the ground (height 0)? for...
Friday, August 20, 2010 at 6:54pm by Jin
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?
Thursday, February 24, 2011 at 9:57am by jb
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...
Sunday, September 26, 2010 at 9:14pm by CHELsea
physics
a 1.0kg ball is thrown upward from 1.0m above the ground with a speed of 10m/s reaches a height of 4.5 m. what is the efficiency of the energy transformation?
Wednesday, June 13, 2012 at 7:47pm by sarah
Physics
A ball is thrown upward from a platform 5.6 m high with a speed of 18 m/s at an angle of 35 o from the horizontal. What is the magnitude of its velocity when it hits the ground?
Thursday, September 8, 2011 at 2:47pm by Abbi
physics
A ball is thrown upward from a platform 4.5 m high with a speed of 17 m/s at an angle of 41 o from the horizontal. What is the magnitude of its velocity when it hits the ground?
Monday, June 6, 2011 at 11:57pm by tank
physics
A ball is thrown upward from a platform 4.6 m high with a speed of 23 m/s at an angle of 40 o from the horizontal. What is the magnitude of its velocity when it hits the ground?
Monday, February 8, 2010 at 10:57am by Katie
calculus
a ball is thrown upward at 96 feet per second from the top of a 100 foot building. 1.when will the ball obtain maximum height 2. when will the ball hit the ground?
Monday, October 24, 2011 at 7:36pm by chris
math
a ball is thrown into the air at a speed of 96 feet/sec. The equation that expresses the height of the ball as a function of time is: h(t) = -16t2 + 96t + 5 How long does the ball stay in the air after it is thrown? (Round answer to the hundreths of a second)
Thursday, February 14, 2013 at 5:52pm by Erin
physical
A ball is thrown from the window of a high-rise building with an initial velocity of 7.7 m/s at an angle of 34 deg. below the horizontal. The bill strikes the ground 4.2 seconds after being thrown. Find the height from which the ball was thrown.
Saturday, October 15, 2011 at 5:26pm by Anonymous
phy
A ball is thrown from the window of a high-rise building with an initial velocity of 6.1 m/s at an angle of 32 deg. below the horizontal. The bill strikes the ground 4.4 seconds after being thrown. Find the height from which the ball was thrown.
Wednesday, October 6, 2010 at 6:17pm by Anonymous
Phyics
A Rock Is Thrown Vertically upward with a speed of 12m/s. Exactly 1.00s later a ball is thrown up vertically along the same path with a speed of 18m/s. At what time will they strike each other? so far I got this but it does not seem to be working out for me. G=-9.80m/S^2 Y1=0+...
Wednesday, September 16, 2009 at 3:56pm by Joshua
maath HELPPPP
a ball is thrown into the air at a speed of 96 feet/sec. The equation that expresses the height of the ball as a function of time is: h(t) = -16t2 + 96t + 5 How long does the ball stay in the air after it is thrown? (Round answer to the hundreths of a second)
Thursday, February 14, 2013 at 6:00pm by Erin
math
susan throws a softball upward into the air at a speed of 32 feet per second from a 8 foot platform. the distance upward that the ball travels is given by the function. d(t)=-16t^2+32t+8. What is the maximum height of the softball? how many seconds does it take to reach the ...
Tuesday, November 27, 2012 at 3:04am by gabby
Physic
A ball is thrown upward. What is its initial vertical speed? The acceleration of gravity is 9.8 m/s^2 and maximum height is 7.2 m,. Neglect air resistance. Answer in units of m/s
Monday, October 1, 2012 at 10:06am by Patrick
physics
a ball is thrown upward what is its maximun height? its initial vertical speed is 8.1 m/s and the acceleration of gravity is 9.8 m/s . neglet air resistance . answer in units of m
Friday, September 14, 2012 at 12:49pm by fabiola
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/...
Sunday, April 25, 2010 at 9:26pm by britt
Physics
Find the maximum height reached by a ball thrown upward at a velocity of 95ft/s
Friday, February 10, 2012 at 9:12am by ####tasha####
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...
Saturday, April 28, 2012 at 11:39pm by Billy
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...
Friday, April 27, 2012 at 1:49pm by Billy
physics
A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave from the ground? &...
Tuesday, November 8, 2011 at 7:12pm by kim
physics
A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave from the ground? &...
Tuesday, November 8, 2011 at 7:04pm by kim
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?
Monday, February 20, 2012 at 9:46pm by Anonymous
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?
Monday, September 19, 2011 at 6:27pm by Kelli
physics
A ball is thrown upward from a platform 5.1 meters high with a speed of 13 m/s at an angle 45 degrees from the horizontal. what is the magnitude of its velocity when it hits the ground?
Friday, September 11, 2009 at 10:03pm by Andy
phy
regarding #5: That answer would be correct if both balls were thrown at the same time. The problem states the red ball was thrown downward 2.6 seconds after the blue ball was thrown. One solution is to determine the position and velocity of the blue ball at the time the red ...
Tuesday, September 13, 2011 at 12:22am by Jack
physics
what will the speed and direction of flight for a ball be, 4.2 secs after if it is thrown, if it was thrown straight up, at an initial speed of 30 m/s?
Thursday, October 15, 2009 at 7:13pm 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
a ball is thrown vertically upward from the top of the building with a velocity 10m/s.it reaches the ground in 5 sec.Find the height of the building the ball strikes the ground?
Thursday, September 13, 2012 at 2:02am by p
physics : HELP PLEASE
A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave from the ground? &...
Tuesday, November 8, 2011 at 8:20pm by kim
physics : HELP PLEASE
A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave from the ground? &...
Tuesday, November 8, 2011 at 8:01pm by kim
Physics
A ball is thrown upward from the edge of a platform 15 m above the ground. The ball rises 12 m then falls to the ground. What is the vertical displacement of the ball?
Wednesday, September 21, 2011 at 4:03pm by Alexis
Physics
Find the maximum height reached by a ball thrown upward at a velocity of 95 ft/s
Monday, February 25, 2013 at 1:32pm by Angel
physics
A ball is thrown vertically upward with a speed of 24.7 m/s from a height of 2.0 m. How long does it take to reach its highest point? The acceleration of gravity is 9.81 m/s 2 . Answer in units of s
Tuesday, October 9, 2012 at 9:23pm by Anonymous
physics
A ball is thrown vertically upward with a speed of 24.7 m/s from a height of 2.0 m. How long does it take to reach its highest point? The acceleration of gravity is 9.81 m/s 2 . Answer in units of s
Tuesday, October 9, 2012 at 9:13pm by Anonymous
physics
A ball is thrown upward.What is its maximum height? Its initial vertical speed is 11.5 m/s and the acceleration of gravity is 9.8 m/s2 . Neglect air resistance. Answer in units of m
Sunday, October 16, 2011 at 6:40pm by asdfghjkl
physics
A ball is thrown vertically upward with a speed of 23.7 m/s from a height of 2.0 m. How long does it take to reach its high- est point? The acceleration of gravity is 9.81 m/s2 2) How long does the ball take to hit the ground after it reaches its highest point?
Friday, November 12, 2010 at 9:36pm by stan
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
Monday, January 17, 2011 at 1:24pm by Joel
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
math/physics
a ball with mass 0.15 kg is thrown upward with initial velocity 20 m/sec from the roof of a building 30 m high. there is a force due to air resistance of |v|/30, where velocity v is measured in m/sec. a. find the maximum height above the ground the ball reaches. b. find the ...
Saturday, November 8, 2008 at 10:50pm by cyrus
Physics
A ball is thrown vertically upward with a speed of 26.1 m/s from a height of 2.1 m.How long does it take to reach its highest point? The acceleration of gravity is 9.81 m/s2. Answer in units of s
Sunday, November 11, 2012 at 4:47pm by Jacky
physics
A ball is thrown vertically upward with a speed of 27.3 m/s from a height of 2.1 m. How long does it take to reach its highest point? The acceleration of gravity is 9.81 m/s2. Answer in units of s
Monday, October 10, 2011 at 5:30pm by Anonymous
physics
A football is thrown upward at a(n) 37 angle to the horizontal. The acceleration of gravity is 9.8 m/s2 . To throw a(n) 57.8 m pass, what must be the initial speed of the ball? Answer in units of m/s
Sunday, September 11, 2011 at 5:08pm by Bethany
physics
A football is thrown upward at a(n) 23◦ angleto the horizontal. The acceleration of gravity is 9.8 m/s To throw a(n) 52 m pass, what must be the initial speed of the ball? Answer in units of m/s
Saturday, September 10, 2011 at 7:40pm by Anonymous
science
a cricket ball is thrown straight upward in the air at 14 m/s.determine the maximum height reached by the ball
Sunday, January 20, 2013 at 5:32am by nkululeko
Physics
A ball is thrown straight up in the air at an initial speed of 30 m/s. Using conservation of energy, find the maximum height of the ball.
Tuesday, November 20, 2012 at 11:19am by Joey
Physics
Part 1: Two balls (Ball 1 and Ball 2) are released from the top of a tower. Ball 2 is thrown 3.14 seconds after Ball 1 is dropped. Ball 2 is thrown downward with a velocity of 3.49 m/s. Determine how far apart Ball 1 and Ball 2 are after 5.02 seconds from when Ball 1 was ...
Wednesday, September 12, 2012 at 8:20pm by Ashley
Physics
Part 1: Two balls (Ball 1 and Ball 2) are released from the top of a tower. Ball 2 is thrown 3.14 seconds after Ball 1 is dropped. Ball 2 is thrown downward with a velocity of 3.49 m/s. Determine how far apart Ball 1 and Ball 2 are after 5.02 seconds from when Ball 1 was ...
Wednesday, September 12, 2012 at 8:14pm by Ashley
physics
A ball is thrown upward from the top of a 27.0-m-tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 31.2 m from the building. What must be the average speed of the person if he is to catch the ball at ...
Sunday, May 13, 2007 at 11:38pm by micole
physics
A ball is thrown straight upward and rises to a maximum height of 14.6 m above its launch point. At what height above its launch point has the speed of the ball decreased to one-half of its initial value?
Tuesday, September 18, 2012 at 6:08pm by gary
Physics
A ball is thrown straight upward and rises to a maximum height of 16 m above its launch point. At what height above the launch point has the speed of the ball decreased to one-half of its initial value?
Friday, December 19, 2008 at 2:40pm by Sara
Physics
A stone thrown horizontally from a height of 7.8 m hits the ground at a distance of 12.0 m. Calculate the speed of the ball as it hits the ground. I was able to find the initial speed of the ball, which is 9.52 m/s. However, I'm unsure about whether I need to use this ...
Saturday, November 3, 2007 at 4:24pm by Lindsay
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 ...
Sunday, April 28, 2013 at 1:36pm by ayana
Physics
What is the velocity at the midway point of a ball able to reach a height y when thrown with an initial velocity v0? (Assume the ball is thrown upward and that up is the positive direction. Use the following as necessary: y and g. ) Someone posted this question before and was ...
Friday, May 18, 2012 at 4:43pm by James
physics
A 0.25 kg ball is thrown straight up into the air with an initial speed of 20 m/s. Find the momentum of the ball at the following locations.
Tuesday, November 2, 2010 at 1:51am by Blair
physics
A ball is thrown vertically upward with a speed of 27.9 m/s from a height of 1.9 m. How long does it take to reach its high- est point? The acceleration of gravity is 9.81 m/s2. Answer in units of s
Wednesday, September 28, 2011 at 8:05pm by rc
Physics
a tennis ball is thrown vertically upward from the ground and the student gazing out of the window sees it moving upward pass him at 5 m/sec. the window is 10 m above the ground. how high does the ball go above the ground
Saturday, December 1, 2012 at 10:58am by john daniel
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 ...
Friday, September 21, 2012 at 6:44pm by Kelly
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...
Thursday, August 30, 2012 at 12:30am by roger
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 ...
Monday, January 23, 2012 at 12:22am 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 ...
Sunday, January 22, 2012 at 11:25pm by seanso
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 ...
Thursday, September 15, 2011 at 10:47pm by ashley
Algebra
If a ball is thrown vertically upward from a height of 56ft. above ground with an initial velocity of 40ft. per second, then the height of the ball above ground t seconds after it is thrown is given by f(t)=-16t^2 + 40t +56. How many seconds will elapse after the ball is ...
Friday, October 21, 2011 at 5:32pm by Velocity per second
physics
a ball is thrown upward. its initial verticle component of velocity is 10 m/s and its initial horizontal component of velocity is 2 m/s. what is the ball's speed 10 s later?
Tuesday, November 3, 2009 at 6:59pm by Stephanie
Physics
A ball thrown vertically upward is caught by the thrower after 20.0 s. FInd (a)the initial velocity and (b) the maximum height it reaches. All I am given is time. How am I suppose to find (a) and (b)?
Wednesday, September 12, 2007 at 5:52pm by Anonymous
Physics/Science #3
A ball is thrown vertically downward from the top of a 35.9-m tall building. The ball then passes the top of a window that is 10.7 m above the ground 2.00 s after being thrown. What is the speed of the ball as it passes the top of the window? The equation for the speed of the ...
Thursday, January 25, 2007 at 4:14pm by TechnoBoi11
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?
Thursday, April 16, 2009 at 4:21pm by Taylor
Physics
A brick is thrown vertically upward with an initial speed of 4.40 m/s from the roof of a building. If the building is 74.0 m tall, how much time passes before the brick lands on the ground?
Friday, February 12, 2010 at 6:33am by Max
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