Subject :NSO Class : Class 9
A particle is moving in a straight line with initial velocity
u and uniform acceleration f. If the sum of the distances travelled in
tth and (t +
1)th seconds is 100 cm, then its
velocity after t seconds in cm/s is
(A) 20
(B) 30
(C) 50
(D) 80.
explanation please
Ans 1:
Class : Class 9