Physics, 05.03.2021 22:30 smandylee123
How do collisions between molecules transfer energy from a system of
reacting substances to its surroundings?
O A. They cause the thermal energy of the surroundings to decrease.
O B. They cause molecules to flow into the system from the
surroundings.
C. They cause heat to flow from the system to the surroundings.
O D. They cause the potential energy of the system to increase.
Answers: 3
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If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?
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22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?
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How do collisions between molecules transfer energy from a system of
reacting substances to its sur...
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