Question

A powerful motorcycle can accelerate from rest to 28 metre square square in only for seconds find its acceleration

Answer 1

Explanation:

The values for the motor cycle are as follows:

u= 0m/s

v=28m/s

t= 1 s.

a=??s=??

v=u +at

28= 0 + 1a                           a= 28 m/s2

Therefore the average acceleration = 28m/s2

displacement s,  v2=u2+2as

                          28^2= 0^2+(28 x 2 s)

                      56= 0+ 56s

s. = 1

                         

                         

Therefore the distance travelled = 1 metre

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