In an isochoric process, the internal energy of a gas decreases by 50 J. How much work
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Question:
In an isochoric process, the internal energy of a gas decreases by 50 J. How much work is done by the gas during this process?
Group of answer choices
50 J
-25 J
0 J
25 J
-50 J
A person weighing 900 N is standing on snowshoes. Each snowshoe has area 2500 cm2and has negligible weight. What pressure does this person's weight exert on the snow?
Group of answer choices
0.18 N/m2
3600 N/m2
1800 N/m2
0.36 N/m2
A child does 350 J of work while pulling a box from the ground up to his tree house at a steady speed with a light rope. The tree house isabove the ground. What is the mass of the box?
Group of answer choices
6.7 kg
5.3 kg
8.0 kg
8.9 kg
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