Physics-
General
Easy
Question
Four marbles are dropped from the top of a tower one after the other with an interval of one second. The first one reaches the ground 4 seconds. When the first one reaches the ground the distances between the first and second, the second and third and the third and forth will be respectively
- 35,25 and 15
- 30,20 and 10
- 20,10 and 5
- 40,30 and 20
The correct answer is: 35,25 and 15
For first marble, 
For second marble, 
For third marble, 
For fourth marble, 
and
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