Question

a car increase its speed in uniform rate 20km hr to 50 km hr what's it's average Speed​

Answer 1

Answer:

acceleration is given by the change in velocity wrt to time.

so the total change in velocity is 30km/s.

acceleration is given by taking care of unit of the time and distance both

10×3600

30×1000

=

12

1

in m/s.

so none of the options is correct so the answer is D.

Answer 2

Answer:

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