physics - please help

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A golf ball of mass 0.045 kg is hit off the tee at a speed of 48 m/s. The golf club was in contact with the ball for 5.4 10-3 s.

(a) Find the magnitude of the impulse imparted to the golf ball.

(b) Find the magnitude of the average force exerted on the ball by the golf club.

  • physics - please help -

    Impulse= mass*changeinvelocity
    Force*time= Impulse solve for avg force.

  • physics - please help -

    a)
    J=m*(change)v
    J=0.045kg*48m/s
    J=2.16kg*m/s

    b)
    J=F*t
    F=J/t
    F=2.16kg*m/s/5.4*10-3s
    F=400N

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