Question

a car is deaccelerating from 108km/h to 54km/h in 10 sec. calculate the retardation​

Answer 1

Explanation:

v

c

=54 km/h=

3600

54×1100

=15 m/s

v

f

=72 km/h=

3600

72×1000

=20 m/s

∴ Acceleration

t

v

f

−v

c

=

10

20−15

=0.5 m/s

2