Question

A car accelerates uniformly from 18 km per hour to 36 km per hour in 5 seconds calculate the acceleration and the distance covered by the car in the that time

Answer 1

HEYA!
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Given that ,

Initial velocity u = 18 km/hr = 5 m/s

Final velocity v = 36 km/hr = 10m/s

Time = 5 seconds

Acceleration a =?

Distance s = ?


Using first equAtion of motion ,

V = U + AT

10=5 +5a

A= 1 ms-2.

Now using second equation of motion


$s = ut + \frac{1}{2} at {}^{2}$


S = 5 × 5 + 1/2 × 1 × 25

S = 25 + 12.5

S = 37.5m

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