Subject :NSO Class : Class 9
A particle is moving in a straight line with initial velocity u and uniform acceleration a. 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-1 is
A 20
B 30
C 50
D 80
Ans 1:
Class : Class 9
I cannot understand the solution.
Ans 2:
Class : Class 9