can someone help? I have no isea how to do this problem.(adsbygoogle = window.adsbygoogle || []).push({});

A force in the negative direction of an x axis is applied for 21 ms to a 0.40 kg ball initially moving at 10 m/s in the positive direction of the axis. The force varies in magnitude, and the impulse has magnitude 32.4 Ns.

(a) What is the ball's speed just after the force is applied? m/s

(b) What is the average magnitude of the force? N

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# Homework Help: Collision and Impulse, Linear Momentum

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