Determine is the work done positive or negtive

Reference no: EM13533243

During the pitching motion, a baseball pitcher exerts an average og 60 N against the0.15kg baseball while moving it through a horizontal displacement of 2.0 m before he releases it.

a) how much work ddid the pitcher do to the baseball as a result of this force?

b) Is the work done positive or negtive?

c)If the baseball velocity at the start of the pitching action was zero, how fast was the ball moving at the inistant of its release?

Reference no: EM13533243

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