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A particle has a mass of 2.85 g and is moving at an average velocity of 15.0 cm/s. Calculate the kinetic energy for this part
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Answer #1

kinetic energy of a particle = (1/2)mv2

where  

m = mass of particle

v = velocity of it

Given

m= 2.85g

v= 15.0 cm/s

Then

kinetic energy = (1/2) x 2.85g x (15.0cm/s)2

= 320.625 g.cm2 /s2

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