A body is thrown with a velocity of $9.8 \,m/s$ making an angle of $30^o$ with the horizontal. It will hit the ground after a time ....... $\sec$
$1.5 $
$1$
$3$
$2$
A body is thrown with a velocity of $9.8 \,m/s$ making an angle of $30^o$ with the horizontal. It will hit the ground after a time ....... $\sec$
$T = \frac{{2u\sin \theta }}{g} = \frac{{2 \times 9.8 \times \sin 30}}{{9.8}} = 1\,s$