goode021 goode021

12-05-2019
Physics

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the impulse given to a ball with a mass of 2.0 kg is 16 N.s. If the ball were already moving at 3.0 m/s, what would the final velocity be?

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MathPhys MathPhys

13-05-2019

Answer:

11 m/s

Explanation:

Impulse equals change in momentum.

I = Δ(mv)

Since mass isn't changing:

I = m Δv

16 Ns = (2.0 kg) (v - 3.0 m/s)

v = 11 m/s

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