A particle is moving in a straight line with initial velocity u and uniform acceleration a. If the sum of the distances travelled in \[{{t}^{th}}\] and\[{{(t+1)}^{th}}\]seconds is 100 cm, then its velocity after\[t\] seconds in \[cm\text{ }{{s}^{1}}\] is

A particle is moving in a straight line with initial velocity u and un

1.	A particle is moving in a straight line with initial velocity u and uniform acceleration a. If the sum of the distances travelled in \[{{t}^{th}}\] and\[{{(t+1)}^{th}}\]seconds is 100 cm, then its velocity after\[t\] seconds in \[cm\text{ }{{s}^{1}}\] is
A.	20
B.	30
C.	50
D.	80
Answer» D. 80

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A particle is moving in a straight line with initial velocity u and uniform acceleration a. If the sum of the distances travelled in \[{{t}^{th}}\] and\[{{(t+1)}^{th}}\]seconds is 100 cm, then its velocity after\[t\] seconds in \[cm\text{ }{{s}^{1}}\] is

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