04-11-2022
Physics

Answered

A person standing at the edge of a seaside
cliff kicks a stone over the edge with a speed
of 21 m/s. The cliff is 49 m above the water’s
surface, as shown.
How long does it take for the stone to fall
to the water? The acceleration of gravity is
9.81 m/s
Answer in units of s.

Answer :

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