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**1. Homework Statement**

A 0.40 kg soccer ball approaches a player

horizontally with a velocity of 18 m/s to the

north. The player strikes the ball and causes

it to move in the opposite direction with a

velocity of 24 m/s.

What impulse was delivered to the ball by

the player? Answer in units of kg · m/s.

**2. Homework Equations**

M(v)f-M(v)i=impulse

i did (.4kg)(24m/s)-(.4kg)(18m/s) and i got it wrong so if u can please help

M(v)f-M(v)i=impulse

**3. The Attempt at a Solution**i did (.4kg)(24m/s)-(.4kg)(18m/s) and i got it wrong so if u can please help