Hydrogen balloon in an elevator

Classical Mechanics Level 2

When a hydrogen-filled balloon is released in a stationary elevator, it accelerates upwards at 2 m/s 2 . 2 \text{ m/s}^2.

If the elevator is in free fall, what will be its acceleration with respect to the elevator?

Neglect air resistance.

0 m/s 2 0 \text{ m/s}^2 10 m/s 2 10 \text{ m/s}^2 8 m/s 2 8 \text{ m/s}^2 2 m/s 2 2 \text{ m/s}^2

Rohit Gupta by Rohit Gupta , 34, India

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1 solution

Aaryan Vaishya
Dec 15, 2018

UMMM The elevator's roof keeps the balloon at the same speed/acceleration as the elevator.

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