Physics

Replies / Views	Last post
Which of the following processes will increase the mass of the system? A) A rock is made to move ... Started by SAVANNAHHOOPER23	3 Replies 119 Views	Jul 29, 2018 by asdfasdf
According to Einstein's E=mc2 and the field view of reality, A) atoms are entirely empty ... Started by segrsyd	1 Replies 48 Views	Jul 29, 2018 by LegendaryAnswers
The rate of doing work, or of transforming energy, can be measured in A) joules. B) newtons. ... Started by B	1 Replies 210 Views	Jul 29, 2018 by ricroger
The kilowatt is a measure of A) force. B) sex appeal. C) energy. D) power. E) ... Started by james	1 Replies 36 Views	Jul 29, 2018 by Chocorrol77
A low-power source of energy could put out a lot of work provided it A) exerted its power over a ... Started by cool	3 Replies 124 Views	Jul 29, 2018 by asdfasdf
According to the principle of equivalence, gravity is equivalent to A) acceleration. B) the ... Started by 09madisonrousseau09	1 Replies 91 Views	Jul 29, 2018 by kiamars2010
In coming to the conclusion that lightbeams are bent by gravity, Einstein reasoned that A) ... Started by panfilo	1 Replies 177 Views	Jul 29, 2018 by tandmlomax84
Electric generating plants are usually rated in megawatts. This is a unit of A) force. B) ... Started by pragya sharda	1 Replies 41 Views	Jul 29, 2018 by nothere
You run up a flight of stairs, and then you walk up a second, identical, flight of stairs. Compared ... Started by sheilaspns	3 Replies 78 Views	Jul 29, 2018 by dyrone
One experiment that informs us that gravity bends lightbeams is A) the bending of starlight as it ... Started by laurencescou	1 Replies 70 Views	Jul 29, 2018 by fauacakatahaias
A block slides down a frictionless inclined ramp and experiences no significant air resistance. If ... Started by Alygatorr01285	1 Replies 91 Views	Jul 29, 2018 by snackralk
Time-of-day pricing of electricity could help to A) reduce the need for new power plants by ... Started by clippers!	1 Replies 74 Views	Jul 29, 2018 by Dinolord
In the equivalence principle, A) all forces are equivalent. B) all velocities are equivalent. ... Started by natalie2426	3 Replies 89 Views	Jul 29, 2018 by dominiqueenicolee
A frictionless simple pendulum, with a small but dense 4.4-kg mass at the end and a length of 75 cm, ... Started by B	1 Replies 74 Views	Jul 29, 2018 by vickyvicksss
Does a high-speed bullet's path bend more than a light beam bends as it passes near Earth? A) ... Started by CORALGRILL2014	1 Replies 104 Views	Jul 29, 2018 by prumorgan
What is the minimum energy needed to lift a 1.0-kg rocket to a height of 200 km and to give it a ... Started by ARLKQ	1 Replies 215 Views	Jul 29, 2018 by daiying98
A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg m2 is rotating freely ... Started by Wadzanai	3 Replies 158 Views	Jul 29, 2018 by djpooyouma
A 100 W lightbulb has an energy efficiency of 5. It is turned on for one minute. During this time, ... Started by maegan_martin	1 Replies 61 Views	Jul 29, 2018 by mohan
A 7.5-kg stone moves up frictionless hill that slopes upward at 41 above the horizontal. If the ... Started by DyllonKazuo	1 Replies 139 Views	Jul 29, 2018 by morganmarie791
A 24.5-kg child is standing on the outer edge of a horizontal merry-go-round that has a moment of ... Started by FButt	1 Replies 79 Views	Jul 29, 2018 by ryrychapman11
A 5.0-kg box slides on the surface on a ramp that rises at 37 above the horizontal. The coefficient ... Started by nenivikky	1 Replies 128 Views	Jul 29, 2018 by bubulittle310@msn.cn
According to Einstein, gravity is A) the bending of space that is caused by masses. B) the ... Started by Kthamas	1 Replies 73 Views	Jul 29, 2018 by CourtneyCNorton
Which chemical elements were created during the first few minutes of the big bang that started our ... Started by elizabeth18	1 Replies 59 Views	Jul 29, 2018 by marict
Since 1 kilowatt equals 1000 watts, and 1 hour equals 3600 seconds, it follows that the ... Started by fasfsadfdsfa	3 Replies 91 Views	Jul 29, 2018 by GCabra
If you run a 3000-watt hair dryer for 30 minutes, how much electric energy do you consume? A) 100 ... Started by LCritchfi	1 Replies 158 Views	Jul 29, 2018 by yasmina