For how long should a force of 100N act on a body of mass 20kg at rest so that it acquires a velocity of 100m/s?

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asked Feb 22, 2020 34.7k views

5 votes

For how long should a force of 100N act on a body of mass 20kg at rest so that it acquires a velocity of 100m/s?

Physics
middle-school

Samer Boshra asked

by Samer Boshra

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2 Answers

2 votes

Answer:

20 s

Step-by-step explanation:

Impulse = change in momentum

F Δt = m Δv

100 N Δt = 20 kg × (100 m/s − 0 m/s)

Δt = 20 s

Smutje answered Feb 23, 2020

by Smutje

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3 votes

Answer:

20 seconds

Step-by-step explanation:

Lord Rixuel answered Feb 29, 2020

by Lord Rixuel

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