Question

5. If the velocity of a car moving with uniform velocity changes from 10 m/s to 50 m/s in 8 second. Find the acceleration of the car. a. 4 m/s2 b. 5 m/s2 c. 8 m/s2 d. 6 m/s2​

Answer 1

Answer:

f=v-u/t and answer is correct

Answer 2

Answer:

a) u=20m/s,

v=40m/s,

t=5s

a=  tv−u

​ =  5 40−20

​ =  5 20

=4m/s  2

 (b) Displacement of the car  

s=ut+1/2at  

2 =20×5+1/2×4×(5)  

2=150m

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