A ball is projected from a point O as shown i | vedclass

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Question

(a)

$s_y=u_x T+\frac{1}{2} a_y T^2$

$-60=10 \sin 30^{\circ} \cdot T-\frac{1}{2} g T^2$

$-60=5 T-5 T^2$

$T^2-T-2=0$

$T=4 \,s$

Vedclass · Accepted Answer

$4$

Vedclass · Answer

(a)

$s_y=u_x T+\frac{1}{2} a_y T^2$

$-60=10 \sin 30^{\circ} \cdot T-\frac{1}{2} g T^2$

$-60=5 T-5 T^2$

$T^2-T-2=0$

$T=4 \,s$

A ball is projected from a point $O$ as shown in figure. It will strike the ground after ........ $s$ $\left(g=10 \,m / s ^2\right)$