Answer:
This link was diagram
Explanation:
https://doubtnut.app.link/FnsNC80Dccb
When someone stands against a locker and is does not moving at all, then there will be no displacement and since displacement = 0
Work done also becomes equal to zero.
Work done is usually defined as change in energy. Since the work done is zero there has been no energy used.
Answer:
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Explanation:
I have done this before and got it correct
Answer:
Yes, Mirror are a surface that reflects light more perfectly than ordinary objects.
Explanation:
Answer:
Explanation:
Momentum conservation

Kinetic energy conservation

Solve the system