A 1000-kg car and a 2000-kg car are hoisted the same distance in a gas station. Raising the more massive car requires

A) less work.
B) as much work.
C) twice as much work.
D) four times as much work.
E) more than four times as much work.


C

Environmental & Atmospheric Sciences

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Why can some insects walk on water?

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The atmospheric layer containing about 75-80% of the mass of earth's air is the ____.

A. thermosphere B. mesosphere C. stratosphere D. troposphere E. tropopause

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A small increase in temperature results in a large ____________________ in the amount of radiation emitted because doubling the absolute temperature of an object ____________________ the maximum energy output by a factor of 16, or 24

Fill in the blank with correct word.

Environmental & Atmospheric Sciences