1.

What is the kinetic energy of a 45 kg rickshaw moving at 10 m/s?

Answer»

SOLUTION :`KE=1/2mv^2`,m=45 kg , v=10 m/s
`KE=1/2 XX 45xx(10)^2 = 1/2 xx 45xx10xx10`
KE=2250 J or 2.25 kJ


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