Question

A car starts from rest and moves 100 meters in a straight line in 5 seconds has an average speed of 100m/5s

Answer 1

Hi there !!

Initial velocity  = u = 0

distance traveled = s  = 100 m

Time = t = 5 sec

 a = acceleration

Equation of motion :-

s = ut + 1/2at²

  = 0 + 1/2 a × 5 × 5

100 = 1/2a × 25

1/2a = 100 / 25

1/2a = 4

a = 4 × 2

   = 8 m/s²

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