How does heat reach to us from the sun
1 answer:
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Answer:
Check the explanation
Explanation:
The potential energy <em><u>(is the energy by virtue of a particular object's location relative to that of other objects. This term is most of the time linked or associated with restoring forces such as a spring or the force of gravity.) </u></em>seems to be U = mgy . In fact, the mgy term has disappeared from the development.
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Answer:
Explanation:
mass of the ball = 0.25 kg
its speed v = 4.5 m/s
r = 0.75 m
let the speed be in the horizontal direction and the distance r be in the vertical direction we have :
Let the momentum about the center of intersection be P;
SO;
Let the angular momentum be Q;