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rz.mcnamara
 4 years ago
A catcher gloves a 92mi/h pitch and brings it to rest in 0.15m. If the force exerted by the catcher is 803 N, what is the mass of the ball? could someone help me on this? I'm stuck
rz.mcnamara
 4 years ago
A catcher gloves a 92mi/h pitch and brings it to rest in 0.15m. If the force exerted by the catcher is 803 N, what is the mass of the ball? could someone help me on this? I'm stuck

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hosein
 4 years ago
Best ResponseYou've already chosen the best response.2i think \[a=v _{0}^{2}/2s\] so \[(F/a)=m\] F is negative hence exerted contrary to motion

TuringTest
 4 years ago
Best ResponseYou've already chosen the best response.0hosien's method is correct the general kinematic to use here is\[v_f^2=v_i^2+2ad\]the final velocity here is zero, and acceleration is negative, so this becomes\[0=v_i^22ad\to a=\frac{v_i^2}{2d}\]which we can sub into our formula for force\[F=ma\to m=\frac Fa=\frac{2dF}{av_i^2}\]now plug in the given numbers and solve

rz.mcnamara
 4 years ago
Best ResponseYou've already chosen the best response.0Thank y'all so much, that helped me out.

hosein
 4 years ago
Best ResponseYou've already chosen the best response.2i'm too .helping together is our role .
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