Question

A glass plate breaks when a mass of 3 kg or more is kept
on it. An iron piece is kept on that plate in a lift. If the
upward acceleration of the lift is gradually increased to
245 cm 5-2, the plate breaks. What is the mass of the
iron piece?
[Ans. 2.4kg
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Answer 1

Answer:

here u go

Explanation:

hope it helped

Answer 2

Answer:

Thanks................