Question

A 1000kg car starts from rest and accelerates uniformly to a speed of 72km/h during 50seconds (a) express the car's speed in m/s

Answer 1

Answer:

Given

u=0

v=72 km/h=20 m/s

t=2s

a=

t

v−u

a=2

s=ut+

2

at

2

putting values

s=100m