Question

17.
A car start motion with speed 10m/s and after the end of 4 sec. The speed of car is 50m/s. The
acceleration of the car will be.
(A) 10m/s?
(B) 20m/s?
(C) 8m/s?
(D) 18m/s
to​

Answer 1

Answer:

Acceleration after 4sec (A)  $10m/s^2$

Explanation:

Initial velocity = 50m/s

Final Velocity = 10m/s

Time taken = 4sec

=> $Acceleration = \frac{final velocity-initial velocity}{timetaken}$

=> $Acceleration=\frac{50-10}{4} = \frac{40}{4} = 10m/s^2$

Answer 2

Answer:

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