In the figure shown, `u=sqrt(6gR)(gtsqrt(5gR))`
Find `h,v,a_(r),a_(t),T` and `F_("net")` when
(a) `theta=60^(@)`
(b) `theta=90^(@)`
(c) `theta=180^(@)`

A ball of masws 'm' is released from point A where, Theta_(0)=53^(@) . Length of pendulium is 'l' . Find v,a_(r),a_(t),a , T and F_(n et) at (a) point A (b) point C (c) pont P where theta=37^(@)

A ball of masws 'm' is released from point A where, Theta_(0)=53^(@) . Length of pendulium is 'l' . Find v,a_(r),a_(t),a , T and F_(n et) at (a) point A (b) point C (c) pont P where theta=37^(@)

In the figure shown, angle of repose is 45^(@) .Find force of friction, net force and acceleration of the block when (a) theta = 30^(@) (b) theta = 45^(@) (c) theta = 60^(@)

In the figure shown, angle of repose is 45^(@) .Find force of friction, net force and acceleration of the block when (a) theta = 30^(@) (b) theta = 45^(@) (c) theta = 60^(@)

Find the values of all the the T-Rations if :- (a) cos theta =(7)/(25)" "(b) sin theta =(5)/(13)

In the previous problem ,find the magnitude of change in velocity if (a) 90^(@) lt theta lt 180^(@) , (b) 180^(@) lt theta lt 270^(@) and (c ) 270^(@) lt theta lt 360^(@) .

Two particles are projected from the same point with the same speed at different angles theta_(1) and theta_(2) to the horizontal. If their respectively times of flights are T_(1) and T_(2) and horizontal ranges are same then (a) theta_(1) + theta_(2) = 90^(@) (b) T_(1) = T_(2) tan theta_(1) (c) T_(1) = T_(2) tan theta_(2) (d) T_(1) sin theta_(2) = T_(2) sin theta_(1)

Two particles are projected from the same point with the same speed at different angles theta_(1) and theta_(2) to the horizontal. If their respective times of flights are T_(1) and T_(2) and horizontal ranges are same then a) theta_(1)+theta_(2)=90^(@) , b) T_(1) =T_(2)tan theta_(1) c. T_(1) =T_(2)tan theta_(2) , d) T_(1)sin theta_(2)=T_(2)sin theta_(1)

If theta is an acute angle such that 4sin^(2) theta-2(sqrt3+1)sintheta+sqrt3=0,"then": theta= A) 30^(@) or 60^(@) B) 45^(@) or 90^(@) C) 0^(@) or 180^(@) D)none of these