Question
Asked Dec 17, 2019
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A 0.60 - kg particle has a speed of 2.0 m/s at point A and a
kinetic energy of 7.5 J at point B. What is (a) its kinetic energy
at A? (b) Its speed at point B ? (c) The total work done on the
particle as it moves from A to B ?

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Expert Answer

Step 1

(a) Write the expression for kinetic energy at point A

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(KE), = m

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Step 2

Substitute the values

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(KE), - (0.60 kg)(2.0 m/s) =1.2 J

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Step 3

(b) Write the expression for ki...

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(KE) |2(KE).

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Science

Physics

Work,Power and Energy

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