Physics

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A mosquito flying at 3 m/s that encounters a breeze blowing at 3 m/s in the opposite direction has a ... Started by faduma	1 Replies 103 Views	Jul 29, 2018 by covalentbond
Jogging Jake runs at 4 m/s along a train flatcar that moves at 10 m/s in the same direction. Jake's ... Started by TVarnum	3 Replies 146 Views	Jul 29, 2018 by micaelaswann
The speedometer of an automobile reads A) average speed. B) instantaneous speed. C) accelerated ... Started by awywial	1 Replies 124 Views	Jul 29, 2018 by soda0602
A vehicle undergoes acceleration when it A) gains speed. B) loses speed. C) changes its ... Started by melina_rosy	1 Replies 71 Views	Jul 29, 2018 by leahm14
If a car increases its velocity from zero to 60 m/s in 10 seconds, its acceleration is A) 3 m/s2. ... Started by karateprodigy	1 Replies 52 Views	Jul 29, 2018 by coreycathey
If an object moves with constant acceleration, its velocity must A) be constant also. B) change ... Started by nautica902	3 Replies 131 Views	Jul 29, 2018 by jonathanballen97
An object covers a distance of 8 meters in the first second of travel, another 8 meters during the ... Started by skymedlock	1 Replies 130 Views	Jul 29, 2018 by ryrychapman11
A cart changes its speed from 90 m/s to 100 m/s in 10 seconds. During this interval its acceleration ... Started by kwoodring	1 Replies 120 Views	Jul 29, 2018 by jessicaduplan
A ball tossed vertically upward rises, reaches its highest point, and then falls back to its ... Started by mmm	1 Replies 151 Views	Jul 29, 2018 by GCabra
A rock dropped from a 5-m height accelerates at 10 m/s2 and strikes the ground 1 s later. If the ... Started by mynx	3 Replies 429 Views	Jul 29, 2018 by jackie
Ten seconds after starting from rest, a car is moving at 40 m/s. What is the car's acceleration? ... Started by mydiamond	1 Replies 107 Views	Jul 29, 2018 by mammy1697
A freely-falling watermelon falls with constant A) velocity. B) speed. C) acceleration. D) ... Started by Jkov05	1 Replies 335 Views	Jul 29, 2018 by bimper21
While an iron block near the Earth's surface is in free fall, it undergoes an increase in A) ... Started by vinney12	1 Replies 92 Views	Jul 29, 2018 by milbourne11
An apple falls from a tree and hits the ground 5 meters below with a speed of about A) 5 m/s. B) ... Started by kamilo84	3 Replies 140 Views	Jul 29, 2018 by Carissamariew
If a freely falling object were equipped with a speedometer, its speed reading would increase each ... Started by abern	1 Replies 106 Views	Jul 29, 2018 by bulacsom
An object at rest near the surface of a distant planet starts to fall freely. If the acceleration ... Started by roselinechinyere27m	1 Replies 139 Views	Jul 29, 2018 by Mholman93
A ball is thrown upwards and returns to the same location. Compared with its initial speed its speed ... Started by Mr. Wonderful	1 Replies 185 Views	Jul 29, 2018 by amandanbreshears
At one instant an object in free fall is moving downward at 50 m/s. One second later its speed is ... Started by kaid0807	3 Replies 103 Views	Jul 29, 2018 by Moriaki
One half second after starting from rest, a freely falling object will have a speed of about A) 2 ... Started by lunatika	1 Replies 83 Views	Jul 29, 2018 by SAUXC
An object falls freely from rest on a planet where the acceleration due to gravity is twice as much ... Started by tingc95	1 Replies 91 Views	Jul 29, 2018 by aidanmbrowne
Neglecting air resistance, a bullet fired straight down from the top of a high cliff has an ... Started by SAVANNAHHOOPER23	1 Replies 109 Views	Jul 29, 2018 by nickk12214
The total time it takes a projectile fired straight up at 10 m/s to reach the top of its path and ... Started by luminitza	3 Replies 242 Views	Jul 29, 2018 by stanleka1
When a ball thrown straight upwards reaches the very top of its path, its acceleration is A) ... Started by JMatthes	1 Replies 141 Views	Jul 29, 2018 by mathjasmine
A bullet is dropped into a river from a very high bridge at the same time as another bullet is fired ... Started by ishan	1 Replies 403 Views	Jul 29, 2018 by ms_sulzle
A ball is projected 125 meters straight upward and then falls the same distance back to its starting ... Started by craiczarry	1 Replies 128 Views	Jul 29, 2018 by Brummell1998