A pebble is thrown horizontally fromthetop of a tower of a 20m high tower with initial velocity of 10m/sec . The air drag is negligible . The speed of pebble when it is at same distance from top as well as base of tower.(g=10m/s2)

Open in App

Solution

Suggest Corrections

Similar questions

Q. A ball is thrown up from the top of a tower with an initial velocity of

10

m/s at an angle of

30^{o}

with the horizontal. It hits the ground at a distance of

17.3

m from the base of tower. Calculate the height of the tower.

(g = 10 m / s^{2})

Q. A body is thrown horizontally from the top of a tower of height

5 m

. It touches the ground at a distance of

10 m

from the foot of the tower. The initial velocity of the body is

(g = 10 m s^{- 2})

A body is thrown horizontally from the top of a tower of height 5 m. It hits the ground at a distance of 10 m from the foot of the tower. The initial velocity of the body is (g = 10 m $s^{- 2}$ )

Q. A pebble is dropped freely in a well from its top. It takes

20 s

for the pebble to reach the water surface in the well. Taking

g = 10 m s^{- 2}

and speed of sound

= 330 m s^{- 1}

, find: (i) the depth of water surface from the top, and (ii) the time when echo is heard after the pebble is dropped?

Q. A small body of mass

100 g m

is thrown horizontally from top of a high tower with initial speed

9 m / s

. The power delivered (in watt) by force of gravity when its velocity is making an angle of

45^{\circ}

with vertical is

x \sqrt{2}

. Find

x

.
(

g = 10 m / s^{2}

)

Join BYJU'S Learning Program