A 0.5 kg drone traveling 15 m/s crashes into a tree. What is the momentum of the drone before and after the
crash?

A) 7.5 kg • m/s before and 0 kg · m/s after

B) 30 kg - m/s before and 0 kg • m/s after

C) 0 kg • m/s before and after due to the crash

D) 7.5 kg · m/s before and after

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Eduard22sly Eduard22sly · Answer 1 · 2021-12-07T09:34:58+01:00

1. The momentum of the drone before the crash is 7.5 kg•m/s

2. The momentum of drone after the crash is 0 kg•m/s

The correct answer to the question is Option A. 7.5 kg•m/s before and 0 kg•m/s after

Momentum is simply defined as the product of mass and velocity i.e

Momentum = mass × velocity

With the above formula, we can obtain the answers to the questions given above.

1. Determination of the momentum before the crash

Mass = 0.5 Kg

Initial Velocity = 15 m/s

Momentum = mass × velocity

Momentum = 0.5 × 15

Thus, the momentum of the drone before the crash is 7.5 Kg•m/s

2. Determination of the momentum after the crash

Mass = 0.5 Kg

Final Velocity = 0 m/s

Momentum = mass × velocity

Momentum = 0.5 × 0

Momentum = 0 Kg•m/s

Thus, the momentum of the drone after the crash is 0 Kg•m/s

The correct answer to the question is Option A. 7.5 kg•m/s before and 0 kg•m/s after

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