Question

a car moving along a straight road increases its velocity from 10 metre per second 30 metre per second in 4 second calculate the acceleration of the car and the distance travelled by the car in 4 second​

Answer 1

the answer of the question is 30 m / sec

Answer 2

Answer:

acceleration=change in velocity/time

                     =30-10/4

                      =20/4

                      =5 m/s²

v²=u²+2aS

900=100+2×5×S

900=100+10S

10S=900-100 = 800

S=800/10

 =80 m

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