A boy standing on a 20 m tall building throws a stone horizontally with a speed of 15 m/s. With what speed will the stone hit the ground (in m/s)? (use g = 10 m/s²)

A boy standing on a 20 m tall building throws a stone horizontally wit

1.	A boy standing on a 20 m tall building throws a stone horizontally with a speed of 15 m/s. With what speed will the stone hit the ground (in m/s)? (use g = 10 m/s²)
A.	20
B.	25
C.	15
D.	10
Answer» C. 15

Discussion

No Comment Found

Related MCQs

A body is released from the top of the tower of height H metre. It takes T seconds to reach the ground. Where was the body at time T/2 seconds?
If 'x' is displacement, time taken 't', initial velocity 'u', final velocity 'v' and acceleration 'a' then which of the following equations is true?
An HCl molecule has rotational, translational and vibrational motions. If the rms velocity of HCl molecules in its gaseous phase is \(\bar v\), m is its mass and \({k_B}\) is Boltzmann constant, then its temperature will be:
A cyclist starting from point X travels straight towards east for 3km and then turns right and covers 4km and reaches point Y. What is the shortest distance between point X and Y?
A particle has displacement 12cm towards east and 9cm towards north and then 6cm vertically upward. The magnitude of the displacement of the particle is:
A boy standing on a 20 m tall building throws a stone horizontally with a speed of 15 m/s. With what speed will the stone hit the ground (in m/s)? (use g = 10 m/s²)
Neena was cycling to the market to buy some grocery items. The market is 4 km away from her home. She travels at a speed of 12 km/h for first 10 minutes. On her way she meets her friend Nikhat and stops to chat with her for 15 minutes. She resumes her journey at a speed of 8 km/h. What is her average speed for the journey?
A particle starts moving from rest under uniform acceleration. It travels a distance 'x' in the first two seconds and a distance 'y' in the next two seconds. If y = nx, then n =
A ball is released from the top of a tower of height 'h' metres. It takes 'T' seconds to reach the ground. What is the position of the ball in T/3 seconds?
A 2.5 kg iron ball has the same diameter as a 1.25 kg aluminium ball. The balls are dropped at the same time from a cliff. Just before they reach the ground, they have same

A boy standing on a 20 m tall building throws a stone horizontally with a speed of 15 m/s. With what speed will the stone hit the ground (in m/s)? (use g = 10 m/s²)

Discussion

No Comment Found

Related MCQs

Reply to Comment