A baseball is at rest (teeball) when it is hit and travels 30m/s. If the baseball has a mass of 2kg and the bat makes contact for .01 seconds....... what is the force.
The change in momentum is 2(30-0) kg.m/s → 60 kg.m/s
The rate of change of momentum (= force) = 60/0.01 N → 6000 N
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+23 
