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What average force is exerted on the ball during the contact time? 
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#1
Sep2611, 01:51 PM

P: 1

1. The problem statement, all variables and given/known data
A 0.25 kg ball, initially at rest, is hit with a bat in the xdirection while held 1.00 meter above the ground. If the ball hits the ground 20 meters away and was in contact with the bat for 0.10 sec, What average force was exerted on the ball during the contact time?? 2. Relevant equations deltaX= 1/2at^2 3. The attempt at a solution I have tried to get the time, and then velocity in the xdirection but I am stock since I just can't figure out the acceleration. aNY HELP!!!! 


#2
Sep2611, 02:22 PM

P: 230

Have you tried using the law of Impulses?
[itex] \large \Delta{\vec{p}} = \vec{\overline{F}}\cdot\Delta{t} [/itex] Daniel 


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