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प्रश्न
A car is moving with a speed of 50 km/h. One second later, its speed is 55 km/h. What is its acceleration?
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उत्तर
Initial speed of car u = 50 km/h.
Final speed of car v = 55 km/h.
Time taken by car to attain this speed is = 1 sec. = 1/3600 hr.
Acceleration of the car is = (55 - 50 )X 3600 = 18000 kmh-2.
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