Question

The driver of a car travelling at 36km/hr applies the brakes to decelerate uniformly. The car stops in 10s.plot the speed-time graph for this period. Find the distance travelled by the car during this period by calculating the area under graph

Answer 1

Hope it will help you

Answer 2

Explanation:

u=36 km= 10km/h

v=0

t=5s

v=u+at

o=10+a5

a=-10/5

a=-2m/s square

s=ut +1/2*-2*25

s=10*5+1/2 *-25

s=50-25m

s=25m

therefore car travells 25m /s