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August 31, 2014

Search: A ball is thrown vertically upward..

Number of results: 10,188

Physics
A ball is shot from the ground into the air. At a height of 0.1m, the velocity is observed to be v=7.7i + 6.4j in meters per second (i horizontal, j upward). What is the direction of the ball's velociry just before it hits the ground?
September 30, 2007 by Kristen

physics
an .18 kg is placed a compressed spring on the floor. the springs exerts an average force of 2.8N through a distance of .15m as it shoots the ball upward. how high will the ball travel above the release spring?
March 27, 2011 by Anonymous

physics
A ball is thrown horizontally from a 15m -high building with a speed of 8.0m/s. How far away from the base of the building does the ball hit the gnd. I'm needing help setting this up. I know change of Y is -15m, and the "a" is -9.8m/s^2, but i get lost from there...?
September 26, 2010 by danny

Science(applied physics)
At time t=0,a 1kg ball is thrown up from the top of a tall tower with velocity Vo=18i+24j(m/s). a:calculate the components of th velocity at t=6s. b:Calculate the kinetic energy of the ball at t=6s.
February 17, 2013 by Bessy

Science(applied physics)
At time t=0,a 1kg ball is thrown up from the top of a tall tower with velocity Vo=18i+24j(m/s). a:calculate the components of th velocity at t=6s. b:Calculate the kinetic energy of the ball at t=6s.
February 17, 2013 by Bessy

Physics
Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.80 m. The stones are thrown with the same speed of 9.05 m/s. Find the location (above the base of the ...
October 1, 2012 by Jackie Li

Calculus help!
A ball is shot into the air from a bridge, and its height, y, in feet, above the ground t seconds after it is thrown is given by y=f(t) = −16t2 + 55t + 33. What is the average velocity of the ball during the first second? Round your answer to two decimal places.
February 6, 2013 by Jackie

Physics
As a fish jumps vertically out of the water, assume that only two significant forces act on it: an upward force F exerted by the tail fin and the downward force due to gravity. A record Chinook salmon has a length of 1.50 m and a mass of 53.5 kg. If this fish is moving upward ...
May 3, 2013 by Abdullahi A.

physics- projectile motion
A player passes a basketball to another player who catches it at the same level from which it was thrown. The initial speed of the ball is 7.1 m/s, and it travels a distance of 4.6 m. What was (a) the initial direction of the ball and (b) its time of flight?
March 13, 2008 by Sugarplum

Physics
A ball is dropped from the top of a 49.0 -high cliff. At the same time, a carefully aimed stone is thrown straight up from the bottom of the cliff with a speed of 20.0 . The stone and ball collide part way up.
October 7, 2012 by Yan

classical physics
Question 14 Give reasons for the answers to each of the following questions: a) Can a normal force be horizontal? b) Can a normal force be directed vertically downward? c) Consider a tennis ball in contact with a stationary floor and with nothing else. Can the normal force be ...
March 22, 2013 by Pritesh

Physics
A spring (k=302 N/m) placed vertically on a surface has a 548 g ball placed on top of it. How far must the spring be compressed in order for the ball to be traveling at a speed of 2.8 m/s when it is located 438 cm above its initial position?
December 15, 2013 by Megan

Physics
A spring (k=302 N/m) placed vertically on a surface has a 548 g ball placed on top of it. How far must the spring be compressed in order for the ball to be traveling at a speed of 2.8 m/s when it is located 438 cm above its initial position?
December 15, 2013 by Bart

winterWx
A 0.30-kg softball has a velocity of 12 m/s at an angle of 30 below the horizontal just before making contact with the bat. What is the magnitude of the change in momentum of the ball while it is in contact with the bat if the ball leaves the bat with a velocity of 17 m/s, ...
February 23, 2007 by Physics/Math

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

Physics
A ball of mass 0.1 kg is suspended vertically from the ceiling with a "massless" string and brought to rest. The string is one meter long. When a force of 0.5N is applied 45 deg. below the horizontal, what will be the magnitude of the resulting angular acceleration of the ball...
November 4, 2012 by Guy

Physics
A rock is thrown upward at 65.2 ◦ with respect to the horizontal. As it rises, its vertical component of velocity
September 17, 2012 by Brian

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

Math
A ball is thrown off a cliff from a ht of 180 ft above sea level. The ht s of the ball above sea water level at time t is s(t)=-16t2+32t+180. When will the ball strike the water?
September 5, 2011 by Milly

Physics
A rock is thrown directly upward from the edge of a flat roof of a building that is 56.3 meters tall. The rock misses the building on its way down, and is observed to strike the ground 4.00 seconds after being thrown. Take the acceleration due to gravity to have magnitude and ...
May 27, 2014 by Alex

Physics
A ball is dropped from 27.0 ft above the ground. (a) Using energy considerations only, what is the velocity of the ball just prior to it hitting the ground? (b) If the ball is thrown back up to a ledge 15 m above the ground, what would be the velocity just as it reaches the ...
February 27, 2012 by Hannah

Physics
Your teacher tosses a basketball. The ball gets through the hoop (lucky shot). Height of hoop= 3.048m height of person= 2.342 m the ball is thrown at 17 m/s at an angle of 46 degress Part 1: How long does it take the ball to reach its max height? Part 2: How long does it take ...
November 2, 2011 by Tina

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

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?
September 29, 2013 by Emma

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

physics
Jordan tosses a ball upwards with an initial velocity of 14.0 m/s. What is the displacement in meters of the ball during the first 2.5 seconds after she threw it? (don't include units in the answer, use 10.0 m/s2 for g and use the upward direction as positive)
January 11, 2012 by jen

physics
5)A ball is thrown horizontally at 10.0 m/s from the top of a hill 50.0 m high. How far from the base of the hill would the ball hit the ground? 45.0 m 6)A missile launched at a velocity of 30.0 m/s at an angle of 30.0 to the normal. What is the maximum height the missile ...
April 1, 2008 by Jon

algebra
when a ball is thrown up into the air it makes the shape of a parabola the equation s=-16t^2+v*t+k gives the height nof the ball at any time t in seconds where "v" is the initial velocity (speed)in ft/sec and "k" is the initial height in feet
August 1, 2010 by angela toliver

physics
A large boulder is ejected vertically upward from a volcano with an initial speed of 41.0 . Air resistance may be ignored.
October 21, 2010 by Dave

algebra
a ball is thrown straight up into the air with an initial velocity of 128 ft/sec, the total amount of time in seconds that it takes the object to return to the earth can be calculated by using the quadratic, 128t-16t^2=0. Determine the "flight time," t, of the ball.
December 12, 2011 by Shelly

physics
A 1560 rocket is to be launched with an initial upward speed of 53.0 . In order to assist its engines, the engineers will start it from rest on a ramp that rises 53 above the horizontal (the figure ). At the bottom, the ramp turns upward and launches the rocket vertically. The...
December 14, 2011 by Anonymous

Chemistry
A ball is dropped from 27.0 ft above the ground. Using energy considerations only, what is the velocity of the ball just as it hits the ground? If the ball is thrown back up to a ledge 15 m above the ground, what would be the velocity just as it reaches the ledge?
October 24, 2008 by Jessica

Physics university
In a tennis match, a player wins a point by hitting the ball sharply to the ground on the opponent's side of the net. If the ball bounces upward from the ground with a speed of 17 m/s , and is caught by a fan in the stands with a speed of 12 m/s , how high above the court is ...
October 12, 2009 by Jessica

physics
A small steel ball bearing with a mass of 10 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.19 m. Calculate the speed at which the ball leaves the spring. Calculate the horizontal distance the ball ...
September 22, 2010 by Anonymous

Physics
A football is thrown with an initial upward velocity component of 15.0 m/s and a horizontal velocity component of 18.0 m/s The time required for the football to reach the highest point in its trajectory is 1.53s. It gets 11.5m above the ground. How much time after it is thrown...
October 17, 2010 by Mattie

PHYSICS
A football is thrown with an initial upward velocity component of 15.0 m/s and a horizontal velocity component of 18.0 m/s The time required for the football to reach the highest point in its trajectory is 1.53s. It gets 11.5m above the ground. How much time after it is thrown...
October 17, 2010 by Mattie

physics
anyone who knows the answer to this question please show your work. drwls i know i posted this queestion before but you didnt reply to my comment. Your friend has climbed a tree to a height of 6.00 m. You throw a ball vertically up to her and it is traveling at 5.00 m/s when ...
December 21, 2010 by sabeen

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

physics
Suppose a ball of putty moving horizontally with 1kg.m/s of momentum collides and sticks to an identical ball of puffy moving vertically with 1 kg.m/s of momentum. Why is their combined momentum not simply the arithmetic sum, 2 kg.m/s?
November 8, 2013 by Anonymous

Math
Solve each inequality by using algebra. 24. x 2 - 11x + 13 ≤ 25 25. -2x 2 + 3x + 4 ≥ -1 26. x 2 - 5x - 4 < -9 27. Sports A football thrown by a quarterback follows a path given by h(x) = -0.0095x 2 + x + 7, where h is the height of the ball in feet and x is the ...
January 7, 2013 by Kelsey

science/physics
A 0.09 kg ball of dough is thrown straight up into the air with an initial speed of 5.5 m/s. (a) Find the momentum of the ball of dough at its maximum height. (b) Find the momentum of the ball of dough halfway to its maximum height on the way up.
December 10, 2009 by brandon

science/physics
A 0.09 kg ball of dough is thrown straight up into the air with an initial speed of 5.5 m/s (a) Find the momentum of the ball of dough at its maximum height. (b) Find the momentum of the ball of dough halfway to its maximum height on the way up.
December 10, 2009 by brandon

physics
During a snowball ght, your opponent distracts you by throwing a snowball at you with a high arc. She throws snowballs with a speed of 26.5 m/s and the first is thrown at 70.0 degrees. As you are watching the first snowball, she throws a second at a lower angle. (a) If both ...
August 6, 2011 by waqas

physics
A rock is thrown upward at an angle of 50 degrees with respect to the horizon. As it rises, its vertical component of velocity does what?
February 22, 2011 by Tamara

physics
A ball is thrown horizontally with an initial velocity of 20.0 m/s from the edge of a building of a certain height. The ball lands at a horizontal distance of 82.0 m from the base of the building. What is the height of the building?
September 22, 2010 by sara

Physics
Two rocks are thrown off the edge of a cliff that is 15.0 m above the ground. The first rock is thrown upward, at a velocity of +12.0 m/s. The second is thrown downward, at a velocity of −12.0 m/s. Ignore air resistance. Determine (a) how long it takes the first rock to ...
September 12, 2010 by Sandy

phsic
A small steel ball bearing with a mass of 10 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.19 m. Calculate the speed at which the ball leaves the spring.
September 20, 2010 by penny

algebra
A machine launches a tennis ball directly upward at 64 feet per second from a platform that is 80 feet high. what is the maximum height of the tennis ball?
May 19, 2014 by Shannen Fajardo

Physics
From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0 below the horizontal. It strikes the ground 6.00 s later. Initial velocity components: vx = 8.65 m/s vy = -3.67 m/s (c) Find the equations ...
September 15, 2013 by <3

Physics
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 3.9 m/s at an angle of 25 degrees above the horizontal. It is released 0.75 m above the floor. What horizontal distance does the ball cover before bouncing?
February 16, 2010 by Abby

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 ft/sec and k is the initial height in feet (as if you were on top of ...
March 29, 2010 by renee

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

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

physics
Limo kicks a ball vertically upwards from 1m above the ground at 18m/s. It rises to its highest point and then falls down, just getting caught on a branch 5.5m above the ground. (ignore any sideways movement) How long is the ball in flight?
February 27, 2012 by Sally

Physics
An arrow is launched vertically upward from a crossbow at 98.2 m/s. Ignoring air friction, what is its instantaneous acceleration 4.20 s into the flight?
October 8, 2010 by Connie

physics
A partical is projected vertically upward with speed 20 m/s. What will be the time after particle is at a height 15m above the ground( g=15 m/s*s)
July 20, 2011 by Anil

physics
what is the magnitude and the direction of an electric field when an electron is accelrated vertically upward at a distance of 5.5 metres in 3 micro seconds?
May 4, 2014 by Anonymous

physics
Daniel tosses a ball upwards with an initial velocity of 10.0 m/s. In meters/second, what is the velocity of the ball 1.3 seconds after he threw it? (use 10.0 m/s2 for g and use the upward direction as positive)
January 11, 2012 by Jen

physics
Daniel tosses a ball upwards with an initial velocity of 10.0 m/s. In meters/second, what is the velocity of the ball 1.3 seconds after he threw it? (use 10.0 m/s2 for g and use the upward direction as positive)
January 11, 2012 by Anonymous

physics
Daniel tosses a ball upwards with an initial velocity of 10.0 m/s. In meters/second, what is the velocity of the ball 1.3 seconds after he threw it? (use 10.0 m/s2 for g and use the upward direction as positive)
January 11, 2012 by Anonymous

Physics
A 6.00 kg ball (ball 1), moving to the right at a velocity of +1.00 m/s on a frictionless table, collides head-on with a stationary 7.50 kg ball (ball 2). Find the final velocities of the balls if the collision is as specified below. (a) elastic collision ball 1 m/s ball 2 m/s...
November 2, 2008 by Brandon

Math
Gravity on the moon is about one-sixth of gravity on Earth. An astronaut standing on a tower 20 feet above the moon's surface throws a ball upward with a velocity of 30 feet per second. The height of the ball at any time t (in seconds) is h(t) = -2.67t squared + 30t + 20. To ...
October 14, 2010 by Anonymous

Physics
A 0.15 kg ball of dough is thrown straight up into the air with an initial speed of 5.7 m/s. a.)Find the momentum of the ball of dough at its maximum height. b.) Find the momentum of the ball of dough halfway to its maximum height on the way up.
December 8, 2011 by Tyler

physics
If a stone is thrown vertically up in a moving lorry,where will the stone fall? Explain.
September 22, 2010 by Vintoo

Physics
suppose that you drop the ball from a height of about 2m above the floor, releasing it from rest. on the axes that follow, sketch your predictions for the velocity-time and acceleration-time graphs of the ball's motion. assume that the positive y direction is upward
March 26, 2014 by Anonymous

Advanced physical science
A fiery ball of wood is loaded into a medieval catapult to be thrown into a castle. Unfortunately, the attacking heathens are not very smart and since geometry and physics were not studied in their time, they launched the ball straight up into the air. The catapult launcher ...
October 4, 2012 by Confused

physics please help
A 5.00 kg ball (ball 1), moving to the right at a velocity of +4.00 m/s on a frictionless table, collides head-on with a stationary 7.60 kg ball (ball 2). Find the final velocities of the balls if the collision is as specified below. (a) elastic collision ball 1 ball 2 (b) ...
November 2, 2010 by jason

Physics
Daniel tosses a ball upwards with an initial velocity of 10.0 m/s. In meters per second, what is the velocity of the ball 1.3 seconds after he threw it? (use 10.0 m/s2 for g and use the upward direction as positive)
January 11, 2012 by Jen

physics/math
Ahhh! I've seen some examples of this type of problem but I can't seem to solve it! Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.86 m. The stones are ...
December 13, 2011 by Courtney

Physics Correction
You drop a ball from a window on an upper floor of a building and it is caught by a friend on the ground when the ball is moving with speed vf. You now repeat the drop, but you have a friend on the street below throw another ball upward at speed vf exactly at the same time ...
February 7, 2012 by Haroula

Physics
Horizontal velocity: 138ft/s Vertical velocity: 109ft/3 A ball is thrown at 95 mi/h. The distance from the mound to the plate is 60.5 ft. Assuming the ball is pitched parallel to the ground, how far does it fall due to gravity by the time it reaches the plate? Show calculations.
October 25, 2010 by Jill

math
At the beginning of a basketball game, the referee tosses the ball vertically into the air. Its height, h, in feet after t seconds is given by h(t) = -16t2 + 24t +5. During what time interval (to the nearest tenth of a second) is the height of the ball greater than 9 feet?
March 25, 2013 by jon

physics
A man can throw a ball a maximum horizontal distance of 97.8 m. The acceleration of gravity is 9.8 m/s2 . How far can he throw the same ball verti- cally upward with the same initial speed? Answer in units of m.
November 25, 2009 by Letisha

physics
A 0.10 kilogram ball dropped vertically from a height of 1.0 meter above the floor bounces back to a height of 0.80 meter. The mechanical energy lost by the ball as it bounces is aprox. a. 0.080 J b. 0.20 J c. 0.30 J d. 0.78 J
January 28, 2013 by N

physics
An elevator without a ceiling is ascending with a constant speed of 9.7 m/s. A boy on the elevator shoots a ball directly upward, from a height of 2.0 m above the elevator floor, just as the elevator floor is 25 m above the ground. The initial speed of the ball with respect to...
September 21, 2010 by kay

physics
A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 12.0 m/s. The student throws a ball into the air along a path that he judges to make an initial angle of 60.0 with the horizontal and to be in line with the ...
February 17, 2011 by kia

physics
A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 12.0 m/s. The student throws a ball into the air along a path that he judges to make an initial angle of 60.0 with the horizontal and to be in line with the ...
February 18, 2011 by Anonymous

physics
A science student is riding on a flatcar of a train traveling along a straight, horizontal track at a constant speed of 12.8 m/s. The student throws a ball into the air along a path that he judges to make an initial angle of 67.0 with the horizontal and to be in line with the...
October 11, 2012 by sedef

Physics
Help on these few questions please? :( I'm so confused. No need for a direct answer if you don't wanna give it but I just need some explaining. thank you. points) Score A ball is thrown horizontally from a platform so that the initial height of the ball is 6.0 m above the ...
June 5, 2014 by EIllie

12th grade Physics
how much tension must a rope withstand if it is used to accelerate a 1200-kg car vertically upward at .80 m/s^2?
October 24, 2009 by Jane

phisics
Which of the following situations represents a negative displacement? (Assume positive position is measured vertically upward along a y-axis.)
April 29, 2014 by valerie

Physics
Units count. Show all steps, not just the numerical substitutions. Show the equations you used. No information is missing. A person throws a ball upward into the air with an initial velocity of 15.0 m/s. Calculate the following: a.) how high it goes. b.) how long the ball is ...
September 26, 2011 by Jane

Physics
Units count. Show all steps, not just the numerical substitutions. Show the equations you used. No information is missing. A person throws a ball upward into the air with an initial velocity of 15.0 m/s. Calculate the following: a.) how high it goes. b.) how long the ball is ...
September 26, 2011 by Phil

physics
two tall buildings are 80 m apart. A ball is thrown at 100 m/sec from one building toward the other but at an angle of 37 degrees below the horizontal. Find the vertical distance through which the ball falls before it hits the other building.
December 19, 2010 by Elise

physics
A baseball of mass m1 = 0.32 kg is thrown at a concrete block m2 = 6.25 kg. The block has a coefficient of static friction of μs = 0.71 between it and the floor. The ball is in contact with the block for t = 0.195 s while it collides elastically. What is the minimum ...
March 26, 2014 by Anonymous

physics
A man can throw a ball a maximum horizontal distance of 149 m. The acceleration of gravity is 9.8 m/s2 . How far can he throw the same ball verti- cally upward with the same initial speed? Answer in units of m.
January 28, 2010 by sally

Physics
Lai threw a ball downwards with an initial velocity of 11.0 m/s. What is in meters the displacement of the ball during the 2.9 seconds after she threw it? (don't include units in the answer, use 10.0 m/s2 for g and use the upward direction as positive)
January 13, 2012 by Savannah

physics
An object is thrown vertically into the air with an applied force of 145N. what is the initial acceleration of the object?
March 30, 2010 by jake

Algebra II
Help me with this, please... A ball is dropped vertically from a height of 80 meters. After each bounce, the ball reaches a maximum height equal to 60 percent of maximum height of the previous bounce. a. Write the first three terms of the sequence. Explain how you know what ...
April 10, 2014 by Me and I

calculus
A ball is thrown straight downward from the top of a tall building, with an initial speed of 30 ft/s. Suppose the ball strikes the ground with a speed of 190 ft/s. How tall is the building? Acceleration is -32 ft/s squared
July 24, 2013 by Sam

Physics
A science student is riding on a flatcar of a train travelling along a straight horizontal track at a constant speed of 10.0 m/s.The student throws a ball into the air along a path that he judges to make an initial angle of 60.0 degrees with the horizontal and to be in line ...
February 17, 2013 by Sammie

Physics
Calculate the change in momentum in each of the following situations and state the direction of the change in momentum. a) A 4kg bowling ball strikes a stationary pin head-on at a speed of 3m/s. It continues to move in its original direction, but its speed is reduced to 2m/s. ...
May 23, 2008 by Alex

physics134
A ball, with a mass of 0.144 kg, is thrown from the top of a 76.8 m building (point A) at an angle, θ = 65 with respect to the horizontal. The initial speed of the ball is unknown. The ball reaches a maximum height of 12 m above the building after which it hits the ...
May 4, 2013 by Anonymous

Physica
a ball of mass 0.2 kg is thrown at 10 m s its kinetic energy is
July 15, 2012 by Q18

Physics
A rock is thrown vertically with a velocity of 21 m/s from the edge of a bridge 41 m above the river. How long does the rock stay in the air? V = 21 m/s d = 41 m a = -9.80 m/s^2 t = ?
September 4, 2007 by Anon

Physics
a quaterback throws a ball to a stationary reciver wo is 15.2m down the feild. the football is thrown at an initial angle of 42 dagrees. acceleration is 9.81m/s^2. what is the initial speed that quaterback must throw the ball to hit the reciver?
October 23, 2012 by Sierra

Physics
From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0 below the horizontal. It strikes the ground 5.00 s later. By how much does the ball clear or fall short (vertically) of clearing the ...
October 12, 2012 by Bill

Physics
From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0 below the horizontal. It strikes the ground 5.00 s later. By how much does the ball clear or fall short (vertically) of clearing the ...
October 12, 2012 by Bill

physics
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 3.1 m/s at an angle of 15.0 below the horizontal. It is released 0.82 m above the floor. What horizontal distance does the ball cover before bouncing? Please need...
October 12, 2012 by HELP

physics
Two billiard balls of equal mass move at right angles and meet at the origin of an xy coordinate system. Ball A is moving upward along the y axis at v_A = 2.0m/s , and ball B is moving to the right along the x axis with speed v_B = 5.0m/s . After the collision, assumed elastic...
November 28, 2012 by nammilee

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