A car decreases its speed from 80 km/h to 60 km/h in 5 seconds. The acceleration of the car is:
-1.11 m/s2
1.12 m/s2
-1.14 m/s2
1.11 m/s2
Here,
u = 80 km/h = 22.22 m/s
v = 60 km/h = 16.67 m/s
t = 5s
Using, a = v − ut
a = 16.67 − 22.225 m/s2
a = - 1.11 m/s2
A car decreases its velocity from 80 kmhr−1 to 60 kmhr−1 in 5 seconds. The acceleration of the car is
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