Physics

Problem

A ball is thrown vertically upward with an initial velocity of

150 \text{ m/s}

. The ratio of velocity after

3 \text{ s}

and

5 \text{ s}

\frac{x+1}{x}

. The value of

x

is {Take,

g = 10 \text{ m/s}^2

}. (a) 10 (b) 5 (c) 6 (d)

-5