Physics

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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	1 Replies 279 Views	Aug 1, 2020 by Ddddd
A skier leaves a ski jump with a horizontal velocity of 29.4 m/s. The instant before she lands three ... Started by sc00by25	1 Replies 154 Views	Aug 1, 2020 by Natalie4ever
A rocket, initially at rest, is fired vertically with an upward acceleration of 10 m/s2. At an ... Started by shenderson6	1 Replies 209 Views	Aug 1, 2020 by meltdown117
A problem may be solved more easily when alternative representations are used. The best strategy is ... Started by PhilipSeeMore	1 Replies 141 Views	Aug 1, 2020 by swimkari
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	1 Replies 217 Views	Aug 1, 2020 by amandalm
A particle moving along the x axis has a position given by x = (24t- 2.0t3) m, where t is measured ... Started by sc00by25	1 Replies 270 Views	Aug 1, 2020 by cassie_ragen
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	1 Replies 209 Views	Aug 1, 2020 by batool
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	1 Replies 185 Views	Aug 1, 2020 by nanny
A particle confined to motion along the x axis moves with constant acceleration from x = 2.0 m to x ... Started by itsmyluck	1 Replies 231 Views	Aug 1, 2020 by Silverbeard98
A juggler throws two balls to the same height so that one is at the halfway point going up when the ... Started by frankwu	1 Replies 171 Views	Aug 1, 2020 by ally
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	1 Replies 283 Views	Aug 1, 2020 by mirabriestensky
A bullet is fired through a board, 14.0 cm thick, with its line of motion perpendicular to the face ... Started by newbem	1 Replies 175 Views	Aug 1, 2020 by dyrone
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	1 Replies 351 Views	Aug 1, 2020 by Anonymous
A ball thrown vertically from ground level is caught 3.0 s later when it is at its highest point by ... Started by serike	1 Replies 237 Views	Aug 1, 2020 by Bigfoot1984
A ball is thrown vertically upward with an initial speed of 20 m/s. Two seconds later, a stone is ... Started by Kikoku	1 Replies 333 Views	Aug 1, 2020 by scikid
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	1 Replies 194 Views	Aug 1, 2020 by Danny Ewald
A peregrine falcon dives at a pigeon. The falcon starts with zero downward velocity and falls with ... Started by anjilletteb	1 Replies 180 Views	Aug 1, 2020 by ecox1012
A car originally traveling at 30 m/s manages to brake for 5.0 seconds while traveling 125 m ... Started by faduma	1 Replies 174 Views	Aug 1, 2020 by gcook
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	1 Replies 268 Views	Aug 1, 2020 by janeli
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	1 Replies 216 Views	Aug 1, 2020 by Gabe
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	1 Replies 139 Views	Aug 1, 2020 by jojobee318
Two stars are at rest relative to each other. A spaceship is moving between these two stars at ... Started by Coya19@aol.com	3 Replies 792 Views	Jun 11, 2020 by Marquen Vega
A golf club hits a golf ball with a force of 2400 N, sending the ball into the air. The force ... Started by justinmsk	2 Replies 524 Views	May 23, 2020 by Mert Bekdemir
The figure shows a right-angled construction frame ABC. When measured at rest, it has dimensions as ... Started by nramada	5 Replies 2,609 Views	May 4, 2020 by carter gupton
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	2 Replies 279 Views	Apr 30, 2020 by Payton Breedlove