Asked by Louren
A 0.14 kg baseball is pitched at a speed of 35 m/s. If it is hit straight back at the pitcher with a force of 5400N exerted over a time interval of 1.0 millisecond, find:
the distance that the baseball was in contact with the bat (hint, use d = Vave*t)
Vave = 1/2(vi + vf)
Vave = 1/2(35 + 73.6)
Vave = 108.6
d = Vave*t
d = 108.6*0.001
d = 0.1086 m
My teacher says this is wrong, but I don't understand what is wrong about it. Help please?!
the distance that the baseball was in contact with the bat (hint, use d = Vave*t)
Vave = 1/2(vi + vf)
Vave = 1/2(35 + 73.6)
Vave = 108.6
d = Vave*t
d = 108.6*0.001
d = 0.1086 m
My teacher says this is wrong, but I don't understand what is wrong about it. Help please?!
Answers
Answered by
Damon
one of those two speeds is negative
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