Subject :NSO Class : Class 4
The given graph shows the time taken for a ping-pong ball to roll over the same distance over three different surfaces P, Q and R.
If the push and gravitational pull exerted on the ping pong ball are the same, which surface, P, Q or R is the smoothest?
AP
BQ
CR
DCannot be determined
Ans 1:
Class : Class 5
HOW WILL IT BE P?...PLEASE EXPLAIN
Ans 2:
Class : Class 4
you first have to check the formula of casotate and then simplify and gravity and sort
Ans 3:
Class : Class 4
But P stops at 4 m and Q goes farther than that