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Motion In Straight Line

Question
CBSEENPH11017042

A body is projected upwards with velocity 9.8 m/s. How long it will take to reach the highest point?

Solution
The velocity with which the body is projected = 9.8 m

Acceleration due to gravity = 9.8 m/s2

Time taken to reach to the highest point is given by, 

          v = u + at 

      v = at 
       t = v/a = 9.8/9.8 = 1 sec