A cricket ball is thrown at a speed of 30 ms-1 in a direction 30° above the horizontal, the maximum height attained by the ball is

Question

A cricket ball is thrown at a speed of 30 ms-1 in a direction 30° above the horizontal, the maximum height attained by the ball is (A) 11.25 m (B) 48.2 m (C) 23.5 m (D) 68 m

Tardigrade Admin · Accepted Answer

The maximum height is given by H=(u2 sin2 θ/2g) =((30)2 sin2 30Â°/2×10) =11.25 m

Q. A cricket ball is thrown at a speed of $30 m s^{- 1}$ in a direction $3 0^{°}$ above the horizontal, the maximum height attained by the ball is

$11.25 m$

$48.2 m$

$23.5 m$

$68 m$

The maximum height is given by
$H = \frac{u ^{2} s i n ^{2} θ}{2 g}$
$= \frac{( 30 ) ^{2} s i n ^{2} 3 0 ^{°}}{2 \times 10}$
$= 11.25 m$

Q. A cricket ball is thrown at a speed of 30ms−1 in a direction 30° above the horizontal, the maximum height attained by the ball is

11.25m

48.2m

23.5m

68m