A person standing on the floor of an elevator drops a coin.

Question

A person standing on the floor of an elevator drops a coin.

A person standing on the floor of an elevator drops a coin. The coin reaches the floor of the elevator in a time t₁ if the elevator is stationary and in time t₂moving uniformly. Then

(a) t₁ = t₂

(b) t₁< t₂

(c) t₁ > t₂

(d) t₁< t₂ or t₁ > t₂depending on whether the lift is going up or down.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Correct option (a) t₁ = t₂

Explanation:

The stationary and uniformly moving elevator are both inertial frame so value of acceleration due to gravity will remain the same in both conditions. The distance traveled by the coin with respect to the frame of elevator is equal in both cases. So the time taken will also be equal.