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July 22, 2014

Search: A rubber ball is dropped and bounces vertically from a horizontal concrete floor. If the ball has a speed of 3.3 m/s just before striking the floor and

Number of results: 9,358

physics
A bowling ball weighing 43.0 N initially moves at a speed of 4.90 m/s. How long must a force of 51.0 N be applied to the ball to stop it?
February 24, 2012 by John

Physics
A bowling ball weighing 67.0 N initially moves at a speed of 4.80 m/s. How long must a force of 54.5 N be applied to the ball to stop it?
February 24, 2012 by Anonymous

science
a 0.15 kg ball is thrown into the air & rises to a height of 20.0 m. how much kinetic energy did the ball initially have? ? ?
March 8, 2012 by hheellpp

math
it took a ball 1 minute to roll 90 feet. What was the ball's average rate of speed, in inches per second?
March 20, 2012 by Anonymous

physics
In baseball, a pitcher can accelerate a 0.15 kg ball from rest to 99 mi/h in a distance of 1.4 m. What is the average force exerted on the ball during the pitch?
September 17, 2012 by bob

Intergated chemistry/physics
If a bowling ball is rolling at a speed of 1.5 meters/second and has a momentum of 10.0 kg m/s, what is the mass of the ball in kilograms?
October 4, 2012 by Laura

physics
You throw a ball downward from a window at a speed of 2.0m/s. The ball accelerates at 9.8m/s^2. How fast is it moving when it hits the sidewalk 2.5m below?
November 18, 2012 by Skylar

physics
a boy throws a ball from the top of a tower with velocity 20 m/s in horizontal direction. The speed of the ball after 2 seconds is?
February 8, 2013 by Anonymous

physics
A tennis ball is flying horizontally across the net. Air resistance is not negligible. Identify the forces on the ball
June 5, 2013 by Khadija

physics
If a ball has an initial speed of 26.9 m/s and is launched at an angle of 63.2 degrees above the horizontal, what is the tallest obstacle that the ball can clear?
October 6, 2013 by Cassie

English
Fill in the blanks? If a goofball and a bowling ball are rolling at the same speed, the.blank? Ball has a greater momentum?
March 3, 2014 by snow

Physics
A ball rolls along a horizontal frictionless surface without slipping toward and incline. The ball moves up the incline a certain distance before reversing direction and moving back down the incline. In which of the following situations does the ball move the greatest ...
March 19, 2011 by John

Dynamics
A quarterback throws a football with a velocity vo at an angle of 45o with the horizontal. At the same instant a receiver standing 20 ft in front starts running down the field at 15 ft/s and catches the ball. What is the distance of the receiver from the quarterback when the ...
January 30, 2012 by ali

science
A ball hit by a player too 2.4s to reach the short stop from home plate. If the short stop threw the ball to first base at a speed of 20m/s, a distance of 30m, how long would the runner have to make it to first base and arrive at the same time as the ball. (the answer is in ...
June 9, 2012 by amy

Physics
Suppose that you have a spring gun that you use to launch a small metal ball. You try the first two settings of the gun. The first setting compresses the spring by 1 cm and fires the ball a distance of 0.25 m . The second setting compresses the spring by 2 cm and fires the ...
February 3, 2012 by Susan

Physics
A simple pendulum is made from a 0.65m long string and a small ball attached to its free end. The ball is pulled to one side through a small angle and then released from rest. After the ball is released, how much time elapses before it attains its greatest speed? I am not sure...
February 19, 2008 by Anonymous

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

Physic assignment
A 1.5okg ball whose velocity is 8mls southward collides with a 2kg ball traveling along the same path with a velocity of 3mls southward.if the velocity of the 2kg ball is 7.29mls southward after impact.what is the velocity of the 1.50kgball?
March 5, 2014 by Anonymous

Physics
Ball A leaves the edge of a level table with speed Va and falls to the floor. At the instant ball A leaves the table edge, another identical ball, B, is released from rest at the height of the table top and also falls to the floor. It is observed that the balls reach the floor...
October 5, 2010 by Balthazar

physics
the speed of the fastest pitched baseball was 45 m/s, and the ball's mass was 145 g. (a) What was the magnitude of the momentum of this ball, and how many joules of kinetic energy did it have? (b) How fast would a 57 gram ball have to travel to have the same amount of (i) ...
October 28, 2009 by sarah

physics
a crane drops a 1.0 kg steel ball onto a steel plate. the ball's speed just before impact is 2.0 m/s. if the average impact force is 300 N, and the ball is in contact with the plate for 0.01 seconds, what is the bounce back speed right after the impact.
July 8, 2013 by larry

finite math
6 red balls, 5 black balls, 4 green balls, what is probability, 1 red ball and one black ball pick, with replacing ball
May 2, 2012 by cindy

Physics
A ball is thrown at an angle of 37.1degrees above the horizontal from a point on the top of a building and 60m from the edge of the building. It just misses the edge of the building and continues on towards the ground. The building is 50m high. At what speed was the ball ...
March 13, 2008 by Anonymous

physics
A ball of mass 1.04 kg at the end of a 0.52 m long string is swung in a vertical circle at the fastest constant speed the ball can have without the string breaking. If the string can only exert 33 N of force without breaking, a) What is the speed of the ball?
January 20, 2012 by Anonymous

algebra
When thrown into the air from the top of a 50 ft building, a balls height, S, at time t can be found by S(t) = -16t^2 + 32t + 50. When t = 1, s = -16(1)^2 + 32(1) + 50 = 66. This implies that after 1 second, the height of the ball is 66 feet. When t = 2, s = -16(2)^2 + 32(2...
November 23, 2007 by Patrick

algebra
A ball falls from the top of a roof 320 feet above the ground. The formula h = -16t2 + 16t + 320 described the height of the ball above the ground, h, in feet, t seconds after the fall begins. How long will it take the ball to strike the ground?
May 16, 2010 by Anonymous

physics
Soccer player #1 is 8.6 m from the goal. If she kicks the ball directly into the net, the ball has a displacement labeled A. If, on the other hand, she first kicks it to player #2, who then kicks it into the net, the ball under goes two successive displacements, Ay and Ax. ...
August 25, 2010 by ray

math
The net is 3 feet high. The distance from where the ball is hit to the net is 24 feet. Assume the ball travels in a straight line. At what height must a tennis ball be hit so that it will just pass over the net and land 21 feet away from the net on the other side?
December 7, 2010 by Chandler

physics
Soccer player #1 is 7.31 m from the goal, as the figure shows. If she kicks the ball directly into the net, the ball has a displacement labeled . If, on the other hand, she first kicks it to player #2, who then kicks it into the net, the ball undergoes two successive ...
May 15, 2014 by chuck

physics
Soccer player #1 is 7.31 m from the goal, as the figure shows. If she kicks the ball directly into the net, the ball has a displacement labeled . If, on the other hand, she first kicks it to player #2, who then kicks it into the net, the ball undergoes two successive ...
May 15, 2014 by chuck

Physics
One of the fastest recorded pitches in major-league baseball, thrown by Billy Wagner in 2003, was clocked at 101.0 mi/h . If a pitch were thrown horizontally with this velocity, how far would the ball fall vertically by the time it reached home plate, 60.5 ft away? I tried to ...
June 1, 2008 by Elisa

Physics
The United States and South Korean soccer teams are playing in the first round of the World Cup. An American kicks the ball, giving it an initial velocity of 4.3 m/s. The ball rolls a distance of 5.0 m and is then intercepted by a South Korean player. If the ball accelerates ...
October 20, 2010 by Maria

College algebra
When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -5t^2 + v*t + k gives the height of the ball at any time, t in seconds, where v is the initial velocity (speed) in meters/sec and k is the initial height in meters (as if you were on ...
June 16, 2010 by Dimpleface

Physics
A solid and a hollow ball, each with a mass of 1 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 35 degrees. An ice cube of the same mass slides without friction down the same ramp. Which ball will reach the bottom first? Does the ...
October 18, 2011 by Temi

Physics
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...
October 15, 2010 by Jordan

Physics
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...
March 23, 2011 by Jacob

physics
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...
November 4, 2011 by Meagan

physics
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...
October 23, 2012 by John

physics
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball is released from rest (see the drawing). It swings downward and strikes a block initially at rest on a horizontal frictionless surface. Air ...
November 4, 2012 by jim

Physics
I also had another questin to go along with my lab. If a sponge ball, ping-pong ball, and a metal ball were rolling down the same incline on the moon, which would have the longest range? I figured that they would all have the same range since there is no air resistance, but I ...
March 9, 2008 by Jim

physics
a place kicker must kick a football from a point 32.0 m from the goal. As a resultof the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23.0 m/s at an angle of 53 degrees to the horizontal. To determine if ...
October 8, 2012 by Olivia

physics
According to the Guinness Book of World Records, the longest home run ever measured was hit by Roy Dizzy Carlyle in a minor league game. The ball traveled 188 {\rm m} (618 {\rm ft}) before landing on the ground outside the ballpark part a Assuming the ball's initial velocity...
June 14, 2013 by Bob

PHYSICS
A bat strikes a 0.145kg baseball. Just before impact, the ball is traveling horizontally to the right at 60.0 m/s , and it leaves the bat traveling to the left at an angle of 40degrees above horizontal with a speed of 65.0 m/s . The ball and bat are in contact for 1.75 ...
March 30, 2012 by NOT char

physics--HELP
a giant robot tosses a ball up, from a height of 80 meters, with an initial velocity of Vo = 60 m/s, use 10 m/s^2 as the acceleration due to gravity. what will be the minimum velocity of the ball and when and where will that occur? [i don't know how you would find that.] what ...
October 9, 2007 by jel

physics
You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C) How fast was it ...
December 13, 2011 by Geraldo

physics
You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C) How fast was it ...
December 13, 2011 by Geraldo

physics
You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C) How fast was it ...
December 13, 2011 by Geraldo

Physics
Estimate the force a person must exert on a string attached to a 0.160 kg ball to make the ball revolve in a circle when the length of the string is 0.600 m. The ball makes 1.80 revolutions per second. Do not ignore the weight of the ball. In particular, find the magnitude of ...
October 31, 2010 by Joe

physics
Emily passes a soccer ball 7.1 m directly across the field to Kara, who then kicks the ball 13.7 m directly down the field to Luisa. What is the magnitude of the balls total displacement as it travels between Emily and Luisa? Answer in units of m Howmany degrees to the side ...
September 13, 2012 by Anonymous

Physics
A stone is dropped at t = 0. A second stone, with 4 times the mass of the first, is dropped from the same point at t = 110 ms. (a) How far below the release point is the center of mass of the two stones at t = 410 ms? (Neither stone has yet reached the ground.) (b) How fast is...
April 1, 2014 by Patricia

Physics
I just want to be sure if my answers make any sense! A kid throws a ball in the air and catches it 5 seconds later a) What is the initial velocity of the ball? No air friction. b) What is the maximum height which the ball has reached above its departure point? c) If this kid ...
November 18, 2011 by Tommy

Science
A ball thrown from the edge of a 35m high cliff takes 3.5s to reach the ground below. What was the ball's initial velocity?
September 7, 2009 by Nick

Physics
A ball is thrown horizontally at 10.0 m/s from the top of a hill50.0 m high. How far from the base of the cliff would the ball hit the ground?
August 31, 2010 by Anonymous

4th grade-Science
If you throw a soccer ball, a football, and a golf ball with the same force, which one has the greatest acceleration and WHY?
October 31, 2010 by Hunter Nobis

physics
If the ball is in equilibrium when the string makes a 25.9◦ angle with the vertical as indicated, what is the net charge on the ball? Answer in units of C.
February 10, 2011 by mayra

physics
how would you make a graph testing a ping pong ball and a tennis ball going down an incline and timing it
May 3, 2011 by Kelli Kenyon

physical
A ball rolling across a field with an acceleration of -0.5 m/s rolls 12.5 m and then comes to a stop after 8 seconds. What was the ball's initial speed?
August 12, 2011 by abu

physics
Kevin tosses a 0.10 kg ball horizontally with an initial velocity of 22.00 m/s. What is in m/s2 the vertical component of the acceleration of the ball 3.82 seconds after he threw it?
September 28, 2011 by Elisabeth

Physics
A man kicks a ball at an angle of 55 degrees above the ground with an initial velocity of 25 m/s. How far and how high does the ball travel?
September 17, 2012 by Kristen Help!!!! Please!

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.
November 20, 2012 by Joey

physics
You kick a .3kg soccer ball at a 30deg. angle. your toe provides an average force of 50N for .5m. How far does the ball go?
January 13, 2013 by jim

algebra
the distance traveled by the ball is given by D(t)=-5t^2+115t-110 (in feet) how far will the ball travel before it hits the ground?
February 3, 2013 by kat

math 12
the height of a ball is modelled by the equation h(t)= 4sin (8 pie t)+ 6.5 where h(t) is in metres and t is in seconds. what are the highest and lowest points the ball reaches? a) 10.5 m and 6.5m b) 10.5m and 2.5m c) 6.5m and 2.5m d) 14.5m and 6.5 m
May 8, 2013 by i hate math part 2

Physics
A 5 kg ball rolls down a 10meter long slope. Ignoring friction, how fast will the ball be rolling when it reaches the bottom?
October 21, 2013 by Nina

Physics
A batter hits a ball and it is caught 4 seconds later 100 meters from home plate. What is the initial velocity of the ball?
May 28, 2014 by Ashley

Physics
a child throws a ball in a net where it gets stuck. Does the motion of this ball defy the law of conservation of momentum? explain
July 4, 2014 by Liz

physics
A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 14.0 when the hand is 2.30 above the ground.How long is the ball in the air before it hits the ground? (The student moves her hand out of the way.)
January 25, 2011 by sam

Physics
A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 11 m/s when the hand is 1.8 m above the ground. How long is the ball in the air before it hits the ground? (The student moves her hand out of the way.)
January 18, 2012 by Sarah

physics
a 50kg brick bounces with 98% efficiency when droped from a 10 meter ledge. 1.how much energy does it have at the top of the bounce? 2.how high will it bounce?
January 31, 2012 by 4611star

Physics
The method by which the Mars exploration rovers, Spirit and Opportunity, landed on the surface of Mars in January of 2004 was quite elaborate. The rovers began their descent through the thin Martian atmosphere on a parachute until they reached an altitude of about 16.7 m. At ...
September 7, 2007 by Frances

physics
A ball is thrown from the top of a building upward at an angle of 66 ◦ to the horizontal and with an initial speed of 16 m/s. The ball is thrown at a height of 53 m above the ground and hits the ground 33.2074 m from the base of the building. The acceleration of gravity ...
November 8, 2009 by Anonymous

AP Physics B
can you check my reasoning 1. The problem statement, all variables and given/known data ok well then... we did a lab were you have a hanging mass attached to a stirng that went through a straw and was attached to a rubber stopper. The lab was to find the mass of the rubber ...
September 13, 2009 by AP Physics B

physics 221
The United States and South Korean soccer teams are playing in the first round of the World Cup. An American kicks the ball, giving it an initial velocity of 3.8 m/s. The ball rolls a distance of 5.0 m and is then intercepted by a South Korean player. If the ball accelerates ...
June 9, 2011 by coolstir

math
A robotic basketball player tosses a ball upward from a height of 7 feet, at an initial speed of 111 feet per second. The height of the ball is modeled by the equation: h=−16t2+111t+7, where h is the height above the ground in feet and t is the time measured in seconds. ...
February 4, 2014 by Julia

physics
A white billiard ball with mass mw = 1.32 kg is moving directly to the right with a speed of v = 2.91 m/s and collides elastically with a black billiard ball with the same mass mb = 1.32 kg that is initially at rest. The two collide elastically and the white ball ends up ...
March 10, 2013 by Anonymous

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 ...
November 8, 2008 by cyrus

Physics
a bowling ball is thrown down from the top of a building at 20 m/s. Find the distance the ball travels in A) 1 s B) 3 s should I make the 20 m/s negative? I'm assuming the ball is just being thrown stright down... I'm using the formula d=V(initial)*t+1/2a*t^2 I'm getting -24.9...
February 3, 2009 by Bex

math
A soccer player kicks a ball and gives it an initial upward velocity of 47 feet per second. If everyone waits for the ball to bounce, how long will it be in the air? (Use the vertical motion formula, h= -16tsquared + vt + c, where h is the height of the ball will be at time t...
April 29, 2013 by kelly

PHYSICS!!!
if the same ball rolls down from three different length trackways with a 20degrees elevation, its acceleration on the short-length trackway is 1.08m/s^2;its acceleration on the medium-length trackway is 1.79m/s^2;and its acceleration on the long-length trackway is 1.52m/s^2. ...
November 1, 2006 by Katrina

physics
a balloon is rising up with an acceleration of 25meter per second a body is dropped from the balloon when its upward velocity is 300meter per second. what are there values of velocity and acceleration of the body at the instant it is dropped?
June 11, 2013 by tuhituhi

AP Physics
A home run is hit such a way that the baseball just clears a wall 30 m high located 114 m from home plate. The ball is hit at an angle of 37 ◦ to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1 m above the ground. Find the speed ...
September 11, 2012 by Noah

chemistry
solving problems in bodies thrown vertically downward. solving problems in bodies thrown vertically upward
January 28, 2012 by mhae

physics
A 4.4kg ball with a velocity of 4.6m/s in the +x-direction collides head-on elastically with a stationary 2.1kg ball. Part A What is the speed of the first ball after the collision? Part B What is the direction of the velocity of the first ball after the collision? What is the...
March 3, 2014 by bety

physics
A ball rolls with a speed of 4.4 m/s toward the edge of a table that is 1 m above the floor. The ball rolls off the table. a. How long is it in the air? s b. How far out from the edge of the table does the ball hit the floor? m
February 25, 2012 by John

physics
1)when a person stands on bathroom scales the scale reads 60 kg. Suppose the person stands on the same scales when in an elevator (lift). the elevator accelerates upwards at 2m/s2. Determine the new reading on the scale. 2)When a golfer strikes a golf ball it is in contact ...
March 15, 2014 by waslat

Finite
Bowl one contains 3 black and 2 white balls. Bowl two contains 4 black and 5 white balls. Experiment: A ball is randomly selected from bowl one, its color noted, and it is placed in bowl two. Then a ball is randomly selected from bowl two. a.) What is the probability that the ...
November 20, 2006 by Aubrey

PHY
The coefficient of static friction between hard rubber and normal street pavement is about 0.68. On how steep a hill (maximum angle) can you leave a car parked?
September 12, 2010 by ami

Physics
The coefficient of static friction between hard rubber and normal street pavement is about 0.42. On how steep a hill (maximum angle) can you leave a car parked?
November 3, 2010 by Jon

science
how can you define the problem how far can you make a rubber stopper fly through the air if the only force applied comes from a gas forming chemical reaction
May 15, 2013 by molly

physics
A ball of mass 0.35 kg is fired with velocity 157 m/s into the barrel of a spring gun of mass 1.8 kg initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring. No energy is lost to friction. What fraction of ...
November 1, 2009 by kevin

Physics
With what minimum speed must you toss a 130 g ball straight up to hit the 12 m-high roof of the gymnasium if you release the ball 1.3 m above the ground? I already figured out the minimum speed, 14m/s I'm confused on the next part With what speed does the ball hit the ground? ...
March 27, 2011 by Cam

Physics
A ball of mass 0.30 kg is fired with velocity 100 m/s into the barrel of a spring gun of mass 2.2 kg initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring. No energy is lost to friction. What fraction of ...
March 28, 2012 by Danielle

physics
A 84 g ball is fastened to one end of a string 52 cm long and the other end is held fixed at point O so that the string makes an angle of 23 with the vertical, as in the figure. This angle remains constant as the ball rotates in a horizontal circle. The angle  would remain ...
June 10, 2013 by Anonymous

Science
Fortune teller's use crystal balls to see the future. A fortune teller has a crystal ball with an index of refraction of 1.5 and diameter of 0.2 m. You sit on one side of the ball and the fortune teller sits on the other. She holds up a small red jewel on her side in the ...
May 20, 2013 by Abhishek Ranjan

algebra 1 NEED NOW!!! PLEASE HELPPP
The height of a soccer ball that is kicked from the ground can be approximated by the function: y = -12⋅x^2 + 48⋅x where y is the height of the soccer ball in feet x seconds after it is kicked. Find the time it takes the soccer ball to reach its maximum height: ...
July 1, 2013 by lisa

algebra 1 NEED NOW!!! PLEASE HELPPP
The height of a soccer ball that is kicked from the ground can be approximated by the function: y = -12⋅x2 + 48⋅x where y is the height of the soccer ball in feet x seconds after it is kicked. Find the time it takes the soccer ball to reach its maximum height: ...
July 1, 2013 by lisa

Physics
You hit a tennis ball from just above the ground. It leaves the racket at 15m/s going 10 degrees upward. Does the ball land before reaching the baseline at the other end of the court, 25m away? Yes, It does land within the court. If you struck the ball harder but at the same ...
February 9, 2012 by Tig

math
A ball is thrown from the edge of a cliff with an initial velocity of 60m/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

U-Phys
A 0.060kg tennis ball, moving with a speed of 5.8m/s, has a head-on collision with a 0.10kg ball initially moving in the same direction at a speed of 2.8m/s. Assuming a perfectly elastic collision, determine the speed of each ball after the collision. Determine the direction ...
October 19, 2009 by Taylor

sue
Time (s): 0 1 2 3 4 5 7 8 9 10 Δ X (m/s) Position: 0 3 7 12 17 24 22 17 14 14 1. Graph the table above (include title, label the independent (x) and dependent variable (y), use the proper scale) 2. Identify on your scale the positive acceleration and the negative ...
March 5, 2014 by edu

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