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OpenStudy (anonymous):
A 0.3-kg ball has a velocity of 30 m/s. (a) What is the kinetic energy of the ball? (b) How much work would be required to stop the ball?
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OpenStudy (anonymous):
\[KE = 1/2mv^2\] \[W = F*dcos(\theta)\]
OpenStudy (anonymous):
where d is the displacement
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