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# CBSE Class 9 Answered

Accelaration of a car in a motion is 1.5m/s2 . How much is the increase in a velocity in 4s
Asked by sreekumar1974 | 03 Sep, 2018, 07:44: PM
Expert Answer
The equation of motion that is relating final velocity v to initial velocity u, acceleration a and time t is " v = u+at ".

hence velocity after 4 second is, v = u+1.5×4 = ( u+6)  m/s
Answered by Thiyagarajan K | 04 Sep, 2018, 05:56: AM

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