Physics

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The product of gas pressure and volume for a given mass of gas is constant A) if the temperature ... Started by tnt_battle	1 Replies 109 Views	Jul 29, 2018 by stallen
A boat loaded with scrap iron floats in a swimming pool. When the iron is thrown overboard, the pool ... Started by biggirl4568	1 Replies 139 Views	Jul 29, 2018 by Liamb2179
A marshmallow in a vacuum becomes A) larger. B) smaller. C) does not ... Started by evelyn o bentley	1 Replies 50 Views	Jul 29, 2018 by jaygar71
Compared with a mercury barometer, the column height for a water barometer would be A) lower. B) ... Started by Pineappleeh	3 Replies 88 Views	Jul 29, 2018 by tanna.moeller
When a gas in a container is squeezed to half its volume at constant temperature, its density A) ... Started by Wadzanai	1 Replies 98 Views	Jul 29, 2018 by hugthug12
An ice cube floating in a glass of water contains many air bubbles. When the ice melts, the water ... Started by jace	1 Replies 145 Views	Jul 29, 2018 by IRincones
The air in your cousin's room has A) mass. B) weight. C) energy. D) all of the above E) none ... Started by imanialler	1 Replies 69 Views	Jul 29, 2018 by babybsemail
A frictionless simple pendulum on Earth has a period of 1.75 s. On Planet X its period is 2.14 s. ... Started by ARLKQ	3 Replies 179 Views	Jul 29, 2018 by kingdude89
A long thin uniform rod of length 1.50 m is to be suspended from a frictionless pivot located at ... Started by ericka1	1 Replies 345 Views	Jul 29, 2018 by CAPTAINAMERICA
A 2.15 kg lightly damped harmonic oscillator has an angular oscillation frequency of 0.261 rad/s. ... Started by Pineappleeh	1 Replies 245 Views	Jul 29, 2018 by cloud
A column of contained air extends from sea level to the top of the atmosphere. The contained air has ... Started by viki	1 Replies 90 Views	Jul 29, 2018 by miss_1456@hotmail.com
To multiply an applied force while using a simple hydraulic lift, your force should be applied to ... Started by nautica902	3 Replies 191 Views	Jul 29, 2018 by kbennett34
A hydraulic press multiplies a force by 100, which is compensated by A) energy, which is divided ... Started by Deast7027	1 Replies 72 Views	Jul 29, 2018 by aliotak
The buoyant force acting on a 1-ton blimp hovering in air is A) zero. B) 1 ton. C) less than 1 ... Started by nummyann	1 Replies 67 Views	Jul 29, 2018 by jjorrostieta
A 5.0-kg block is attached to an ideal massless spring whose spring constant is 125 N/m. The block ... Started by schs14	1 Replies 269 Views	Jul 29, 2018 by makaylafy
Evacuated Magdeburg hemispheres are each A) sucked together. B) pushed together by the ... Started by futuristic	3 Replies 275 Views	Jul 29, 2018 by kusterl
It would be easier to pull evacuated Magdeburg hemispheres apart if they were A) held upside ... Started by @Brianna17	1 Replies 84 Views	Jul 29, 2018 by ultraflyy23
A change in pressure at any point in a confined fluid at rest is transmitted A) undiminished to ... Started by aabwk4	1 Replies 96 Views	Jul 29, 2018 by dyrone
An important underlying feature of hydraulic devices is the conservation of A) pressure. B) ... Started by meagbuch	1 Replies 53 Views	Jul 29, 2018 by bubulittle310@msn.cn
Very importantly, a hydraulic press can multiply A) forces. B) pressures. C) energy. D) all of ... Started by haleyc112	3 Replies 126 Views	Jul 29, 2018 by ergserg
If air speed is greater along the top surface of a bird's wings, pressure of the moving air there is ... Started by Cooldude101	1 Replies 122 Views	Jul 29, 2018 by Chou
Airplane lift is achieved when air pressure on the bottom of its wings is A) greater than ... Started by ENagel	1 Replies 81 Views	Jul 29, 2018 by aprice35067
Compared with the buoyant force of the atmosphere on a 1-kg helium-filled balloon, the buoyant force ... Started by TFauchery	1 Replies 104 Views	Jul 29, 2018 by brittiany.barnes
A large block of wood and a small block of iron each register 2000 N on a weighing scale. Taking ... Started by jrubin	3 Replies 304 Views	Jul 29, 2018 by elizabethrperez
As water in a confined pipe speeds up, the pressure it exerts against the inner walls of the pipe ... Started by tingc95	1 Replies 99 Views	Jul 29, 2018 by triiciiaa