A ball is thrown horizontally from a cliff such that it strikes the ground after 5s. The tine of sight makes an angle 37° with the horizontal. The initial velocity of projection in ms-1 is.

Question

A ball is thrown horizontally from a cliff such that it strikes the ground after 5s. The tine of sight makes an angle 37° with the horizontal. The initial velocity of projection in ms-1 is. (A) 50 (B) (100/√3) (C) (100/√2) (D) (100/3)

Tardigrade Admin · Accepted Answer

Tan θ = (h/R), T = √(2h/g) and R - uT.

Q. A ball is thrown horizontally from a cliff such that it strikes the ground after 5s. The tine of sight makes an angle 37 $^{\circ}$ with the horizontal. The initial velocity of projection in $m s^{- 1}$ is.

50

$\frac{100}{3}$

$\frac{100}{2}$

$\frac{100}{3}$

Tan $θ = \frac{h}{R}$ , T = $\frac{2 h}{g}$ and R - uT.

Q. A ball is thrown horizontally from a cliff such that it strikes the ground after 5s. The tine of sight makes an angle 37∘ with the horizontal. The initial velocity of projection in ms−1 is.

50

3​100​

2​100​

3100​

Tan θ=Rh​, T = g2h​​ and R - uT.

Q. A ball is thrown horizontally from a cliff such that it strikes the ground after 5s. The tine of sight makes an angle 37 $^{\circ}$ with the horizontal. The initial velocity of projection in $m s^{- 1}$ is.

$\frac{100}{3}$

$\frac{100}{2}$

$\frac{100}{3}$

Tan $θ = \frac{h}{R}$ , T = $\frac{2 h}{g}$ and R - uT.