A 30-Kg Ball with an Initial Velocity of (4 Î

question 47

Multiple Choice

A 3.0-kg ball with an initial velocity of (4 î + 3 ĵ ) m/s collides with a wall and rebounds with a velocity of (-4 î + 3 ĵ ) m/s.What is the impulse exerted on the ball by the wall?

• A)+24 î N's
• B)-24 î N's
• C)+18 ĵ N'S
• D)-+18 ĵ N'S
• E)+8.0 î N's

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