A person in an elevator accelerating upwards with an acceleration of 2 m s^–2, tosses a coin vertically upwards with a speed of 20 m s^1.

Question

A person in an elevator accelerating upwards with an acceleration of 2 m s^–2, tosses a coin vertically upwards with a speed of 20 m s^1.

A person in an elevator accelerating upwards with an acceleration of 2 m s^–2, tosses a coin vertically upwards with a speed of 20 m s¹. After how much time will the coin fall back into his hand? ( g = 10 m s^–2)

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

Salim Ahmed Kawsar

t = 2V/(g + a) = (2 x 20/10 + 2) = 40/12 = 10/3 = 3.33s

4 views Answered 2023-02-05 15:29