Physics, 23.01.2020 22:31 gunnatvinson
The aluminum block is initially at a temperature of 300 k. it is then brought into contact with 1 mole of gas particles at a temperature of 400 k and constant volume. after some time, the block and the gas thermalize to a common final temperature of 362 k. of which of the following substances could the gas be composed? a. nh3 b. h2 c. ar
Answers: 1
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A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
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By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?
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The aluminum block is initially at a temperature of 300 k. it is then brought into contact with 1 mo...
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