Physics, 07.01.2020 23:31 samanthabutryn
An arrow in a bow has 70 j of potential energy. assuming no loss of energy due to heat, how much kinetic energy will it have after it has been shot?
a) 140 j
b) 70 j
c) 35 j
d) 0 j
e) 50 j
Answers: 3
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Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
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Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)
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Answers: 2
An arrow in a bow has 70 j of potential energy. assuming no loss of energy due to heat, how much kin...
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