A car moving along a straight line at 20 m/s undergoes an acceleration of 4m/s after 2 sec its speed will be?

Answers (1)
S safeer

According to the equation of motion

v=u+at

given u=20m/s, a =4m/s2 , t= 2sec

v=?

v=20+4*2=28m/s

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