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chaosdamax8295
25.09.2019 •
Physics
A25-gram paper cup falls from rest off the edge
of a tabletop 0.90 meter above the floor. if the
cup has 0.20 joule of kinetic energy when it hits
the floor, what is the total amount of energy
converted into internal (thermal) energy during
the cup’s fall?
(1) 0.02 j (3) 2.2 j
(2) 0.22 j (4) 220 j
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Ответ:
Ответ:
F=ma is the relationship where, F is force, m is mass and a is acceleration.
Newton's second law states that the unbalanced force applied to the object accelerates the object which is directly proportional to the force and inversely to the mass.
If we apply force to a toy car then It will accelerate.
This is how Newton's second law of motion is verified.