Question

find the k.E energy of body of mass (52.4+-0.2)kg travelling at(25.6+-0.1)m/s​

Answer 1

Answer:

The formula to find the k.E of any body :

1/2mv^2=

=1/2*52.2*25.5*25.5

=26.1*25.5*25.5

=16971.525 joule.

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