Question-136136

Question Number 136136 by BHOOPENDRA last updated on 19/Mar/21

Answered by mr W last updated on 19/Mar/21

a = \frac{F}{m} = \frac{150}{10} = 15 m / s^{2}

a t t = 12 s :

v = a t = 15 \times 12 = 180 m / s

s = \frac{1}{2} {a t}^{2} = \frac{1}{2} \times 15 \times 12^{2} = 1080 m

W = F s = 150 \times 1080 = 162 000 J = 162 k J

o r = \frac{1}{2} {m v}^{2} = \frac{10 \times 180^{2}}{2} = 162 000 J

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