Physics, 26.09.2019 05:00 mariamakonteh31
if you warm a 35-kg pile of sand from 300° c to 350 °c and the specific heat of sand is 664 0/(kg
what is the change in thermal energy?
Answers: 1
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When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation
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Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.
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If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
Answers: 1
if you warm a 35-kg pile of sand from 300° c to 350 °c and the specific heat of sand is 664 0/(kg
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