Question

calculate the kinetic energy of a body of mass 50 kg moving with 5 ms^-1

Answer 1

Answer:

Kinetic energy of a body = 1/2 mv² = 50 * 5² / 2 = 50 * 25 / 2 = 625 J

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Answer 2

$\huge \fbox \pink{Answer}$

$Given -$

$m = 50kg$

$v = 5ms { - 1}^{?}$

BY USING FORMULA :

$K.E = \frac{1}{2}mv^{2}$

PUTTING THE VALUE :

$= \frac{1}{2} \times 50 \times 5 \times 5$

$= 25 \times 25$

$= 625J$