When you drop a pebble from height H,it reaches the ground with speed V if there is no air resistance.From what height should you drop it so it will reach the ground with twice speed?
A) H
B)2H
C)4H
D)8H
E)16H

Question

When you drop a pebble from height H,it reaches the ground with speed V if there is no air resistance.From what height should you drop it so it will reach the ground with twice speed?
A) H 
B)2H 
C)4H 
D)8H 
E)16H

Quizplus · Accepted Answer

The Answer of When you drop a pebble from height H,it reaches the ground with speed V if there is no air resistance.From what height should you drop it so it will reach the ground with twice speed?
A) H 
B)2H 
C)4H 
D)8H 
E)16H

When You Drop a Pebble from Height H,it Reaches the Ground