Question

class 11
please give the answer in details
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Answer 1

Answer:

I think it is 15 m

Explanation:

I am not sure but still

Answer 2

Answer:

Option c is correct

Explanation:

$v = 5 - t \\ \\ s = 5t - \frac{ {t}^{2} }{2} \:\: by\:\: integrating\:\: wrt\:\: t \\ \\ from \: t = 0 \: \: \: \: \: to \: \: \: 5 \\ \\ s1 = 5(5) - \frac{25}{2} = 12.5 \: \: \\ \\ from \: t = 5 \: \: \: to \: \: 10 \\ \\ s2 = 25 - \frac{25}{2} = 12.5 \: m \\ \\ \: \: \: s1 + s2 = 25 \: m.$