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An estimated force-time curvefor a baseball struck by a bat is shown. Let Fmax= 17000N, ta= 0.5 ms and tb= 2.5ms.
From this curve, determine:(a)the impulse delivered to the ball(b)the average force exerted on the ball(c)the peak force exerted on the ball
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Given :Fmax=17000 N, ta= 0.5 ms and tb= 2.5 ms(a)Impulseis :J=1/2* Fmax* Δt=0.5 * 17000 * ( 2 x 10-3 )=17 N - s(b)Averageforce is :F = J /Δt=17/ (2 x 10-3 )=8.5 x 103 Nsimilarly do the (c)Hope this helps u!
answered by: ANdRAYiA
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