Question

(c)A ball of mass 4 kg falls from a height of 60 m. Find out the KE at a height
of 40 m above the ground.(take g = 10 m/s²)
OR​

Answer 1

Answer: there will not kinetic energy if object rest at 40 m above from the ground here is potential energy Pe = mgh

4×40×10=1600 joules

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