Question

How fast should a boy weighting 30 kg run so that his kinetic energy is 375 joule?

1 point

(a) 1 m/s

(b) 2 m/s

(c) 5 m/s

(d) 10 m/s​

Answer 1

Answer:

C) 5m/s

HOPE YOU GET YOUR ANSWER....

Answer 2

Answer:

hii

your answer is here !

Explanation:

$We know that , K.E = 1 \frac{2}{?} mv {?}^{2}$

$375 = 1 \frac{2}{?} \times 30 \times v {?}^{2}$

$v {?}^{2} = 375 \times 2 \frac{30}{?} = 25m \frac{s}{?}$

n

$v \: = 5m \frac{s}{?}$