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How much work is done by a pitcher in throwing a 0.2 kg ball at aspeed of 30 $\mathrm{m} / \mathrm{s}$ ?(A) 3 $\mathrm{J}$(B) 9 $\mathrm{J}$(C) 30 $\mathrm{J}$(D) 90 $\mathrm{J}$

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Chapter 4

Practice Test 4

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$\cdot$ A 0.145 kg basebal…

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(a) How much work does a m…

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A 145 -g baseball is throw…

02:10

A baseball of mass 0.25 kg…

00:50

While a person lifts a boo…

00:39

Under the influence of a f…

04:48

A batter hits a baseball w…

01:11

Baseball How many foot-pou…

00:44

A certain $9 \mathrm{V}$ b…

A $0.60 \mathrm{kg}$ rubbe…

well done by a picture in throwing a ball can brood in. His work has been called to the change in gigantic energy off the ball. So the work done by a teacher right through it for a three ball we their speed off a 30 meter per second convention is one what to, oh times the moss. Which is there a point to the ball stand. The speed of the ball is 30 square and this gives us there. Energon Jules 90 90 Jules. So our option D is the correct answer.

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