Question

a biker starts a race and crosses the half line in 3 second with speed 54km/h and after that he increases his speed uniformally at a rate 7.5m/s² and completed the race in 5 second.choose the correct option - 1.Acceleration in the first half is 5 m/s².2.He finished the rae with speed 108km/h.3acceleration in the second half of the race is 12.5m/s²

Answer 1

Answer:

all the 3 options are correct