Physics

A stone is thrown from the top of a building with an initial velocity of 20 m/s downward. The top of ...

Started by Yi-Chen

A skier leaves a ski jump with a horizontal velocity of 29.4 m/s. The instant before she lands three ...

Started by sc00by25

A rocket, initially at rest, is fired vertically with an upward acceleration of 10 m/s2. At an ...

Started by shenderson6

A problem may be solved more easily when alternative representations are used. The best strategy is ...

Started by PhilipSeeMore

A particle starts from rest at xi = 0 and moves for 10 s with an acceleration of +2.0 cm/s2. For the ...

Started by CQXA

A particle moving along the x axis has a position given by x = (24t- 2.0t3) m, where t is measured ...

Started by sc00by25

A particle is moving with a constant acceleration of 4.0 m/s2. Its speed at t = 1.0 s is 4.0 m/s and ...

Started by savannahhooper

A particle is moving at constant velocity. Its position at t = 1.0 s is 3.0 m and its position at t ...

Started by jon_i

A particle confined to motion along the x axis moves with constant acceleration from x = 2.0 m to x ...

Started by itsmyluck

A juggler throws two balls to the same height so that one is at the halfway point going up when the ...

Started by frankwu

A car travels north at 30 m/s for one half hour. It then travels south at 40 m/s for 15 minutes. The ...

Started by D2AR0N

A bullet is fired through a board, 14.0 cm thick, with its line of motion perpendicular to the face ...

Started by newbem

A boy on a skate board skates off a horizontal bench at a velocity of 10 m/s. One tenth of a second ...

Started by berenicecastro

A ball thrown vertically from ground level is caught 3.0 s later when it is at its highest point by ...

Started by serike

A ball is thrown vertically upward with an initial speed of 20 m/s. Two seconds later, a stone is ...

Started by Kikoku

A speedy tortoise can run with a velocity of 10.0 cm/s and a hare can run 20.0 times as fast. In a ...

Started by mpobi80

A peregrine falcon dives at a pigeon. The falcon starts with zero downward velocity and falls with ...

Started by anjilletteb

A car originally traveling at 30 m/s manages to brake for 5.0 seconds while traveling 125 m ...

Started by faduma

A boat moves at 10.0 m/s relative to the water. If the boat is in a river where the current is 2.0 ...

Started by sc00by25

A bicyclist starts down a hill with an initial speed of 2.0 m/s. She moves down the hill with a ...

Started by mp14

A 50-gram superball traveling at 25.0 m/s is bounced off a brick wall and rebounds at 22.0 m/s. A ...

Started by WWatsford

Two stars are at rest relative to each other. A spaceship is moving between these two stars at ...

Started by Coya19@aol.com

A golf club hits a golf ball with a force of 2400 N, sending the ball into the air. The force ...

Started by justinmsk

The figure shows a right-angled construction frame ABC. When measured at rest, it has dimensions as ...

Started by nramada

Heat is added to a 3.0 kg piece of ice at a rate of How long will it take for the ice at 0.0 C to ...

Started by viki