Physics

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The change in internal energy of adding 100 joules to a system that does 60 joules of work is A) ... Started by appyboo	1 Replies 204 Views	Jul 29, 2018 by stallen
When you compress air with a tire pump, the air temperature in the tire A) increases. B) ... Started by jCorn1234	3 Replies 169 Views	Jul 29, 2018 by kiamars2010
When you vigorously shake a can of chicken broth, you A) are doing work on the broth. B) ... Started by Bernana	1 Replies 436 Views	Jul 29, 2018 by batool
If a piece of iron and a cup of water at the same temperature are heated so the internal energy of ... Started by fbq8i	1 Replies 134 Views	Jul 29, 2018 by quynhmickitran
A volume of air that is compressed with no heat entering or leaving becomes A) cooler. B) remain ... Started by futuristic	1 Replies 80 Views	Jul 29, 2018 by nathang24
When an ideal gas is subjected to an adiabatic process A) no work is done on the gas. B) the ... Started by lidoalex	3 Replies 83 Views	Jul 29, 2018 by Anonymous
A pendulum clock at high altitudes runs A) fast. B) slow. C) normally as it does at sea ... Started by faduma	1 Replies 69 Views	Jul 29, 2018 by Gabe
Chinook winds tend to A) warm an environment. B) cool an environment. C) cool deserts at night. ... Started by KimWrice	1 Replies 181 Views	Jul 29, 2018 by nmyers
In the formation of a cloud, moist air rises and A) expands. B) cools. C) condenses. D) all of ... Started by WhattoUnderstand	1 Replies 79 Views	Jul 29, 2018 by voltaire123
A soda-pop can containing only steam is placed top downward in a pan of water. Whap The can is ... Started by Frost2351	3 Replies 83 Views	Jul 29, 2018 by TINA
The origin of most internal energy in Earth's interior is A) the Sun. B) radioactivity. C) ... Started by vHAUNG6011	1 Replies 34 Views	Jul 29, 2018 by jasonq
During an adiabatic compression of an ideal gas A) the internal energy of the gas remains ... Started by gonzo233	1 Replies 69 Views	Jul 29, 2018 by britb2u
An example of a heat engine is A) an aircraft turbine. B) an automobile internal combustion ... Started by V@ndy87	1 Replies 72 Views	Jul 29, 2018 by carojassy25
To totally convert a given amount of mechanical energy into heat is A) possible. B) impossible. ... Started by c0205847	3 Replies 97 Views	Jul 29, 2018 by djofnc
As a parcel of air is swept upward, with no heat input or output, its temperature A) increases. ... Started by burton19126	1 Replies 172 Views	Jul 29, 2018 by dantucker
More efficient gasoline engines could be built if they could withstand A) greater rotational ... Started by aabwk4	1 Replies 95 Views	Jul 29, 2018 by triiciiaa
The greater the temperature difference between input and output reservoirs of a heat engine, the ... Started by wenmo	1 Replies 365 Views	Jul 29, 2018 by ergserg
Two identical blocks of iron are placed in contact, one at 10C and the other at 20C. If the cooler ... Started by panfilo	3 Replies 2,614 Views	Jul 29, 2018 by softEldritch
A wiggle in both space and time is a A) vibration. B) wave. C) both of these D) neither of ... Started by JGIBBSON	1 Replies 337 Views	Jul 29, 2018 by robbielu01
The amplitude of a wave is 1 meter. The crest-to-trough distance of the wave is A) 0.5 m. B) 1 ... Started by ssal	1 Replies 134 Views	Jul 29, 2018 by aburgess
An object that completes 100 vibrations in 5 seconds has a period of A) 0.5 second. B) 1 second. ... Started by roselinechinyere27m	1 Replies 78 Views	Jul 29, 2018 by ghepp
A 60-vibration-per-second wave travels 30 meters in 1 second. Its frequency is A) 30 hertz and it ... Started by WWatsford	3 Replies 125 Views	Jul 29, 2018 by ngr69
The frequency of the second hand on a clock is A) 1 hertz. B) 1/60 hertz. C) 60 ... Started by Chelseaamend	1 Replies 100 Views	Jul 29, 2018 by chloejackso
The period of the second hand on a clock is A) 1 second. B) 1/60 second. C) 60 seconds. D) ... Started by strangeaffliction	1 Replies 36 Views	Jul 29, 2018 by trampas
The frequency of a certain wave is 10 hertz and its period is A) 0.1 second. B) 10 seconds. C) ... Started by oliviahorn72	1 Replies 90 Views	Jul 29, 2018 by b614102004