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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?​

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

User Smutje
by
5.0k points
3 votes

Answer:

20 seconds

Step-by-step explanation:

User Lord Rixuel
by
5.2k points