A football player throws a ball with a velocity of $50$ metre/sec at an angle $30 $ degrees from the horizontal. The ball remains in the air for ...... $\sec$ $(g = 10\,m/{s^2})$
A football player throws a ball with a velocity of $50$ metre/sec at an angle $30 $ degrees from the horizontal. The ball remains in the air for ...... $\sec$ $(g = 10\,m/{s^2})$
$2.5$
$1.25$
$5$
$0.625$
A football player throws a ball with a velocity of $50$ metre/sec at an angle $30 $ degrees from the horizontal. The ball remains in the air for ...... $\sec$ $(g = 10\,m/{s^2})$
Time of flight$ = \frac{{2\,u\sin \theta }}{g}$=$\frac{{2 \times 50 \times \sin 30}}{{10}} = 5s$