Question

7.
A car is running at 20 m/s. Suddenly, the driver applies brakes and stops the car in 5 sec Find
value of acceleration of the car.​

Answer 1

Answer:

4 m/(sec)^2

Explanation:

Acceleration = 20/5 = 4m/(sec)^2

Answer 2

Answer:

u=20 m/s

v=0 m/s

time =5 secs

a = v - u /t

a= 0-20/5

= -20/5

=. -4

therefore acceleration= -4m/s^2

Explanation:

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