Question

A block is kept on the floor of an elevator at rest.
The elevator starts descending with an acceleration
of 15 m/s2 Speed of block at the end of one second
after the start w.r.t ground is (Take g = 10 m/s2)
(1) 15 m/s
(2) 30 m/s
(3) 10 m/s
(4) 5 m/s​

Answer 1

Answer:

answer is (3)

(3)10 m/s

okay

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