Question

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Answer 1

Answer:

1. Newton's second law of motion states that the force exerted by a body is directly proportional to the rate of change of its momentum. For a body of mass 'm', whose velocity changes from u to v in time t, when force 'F' is applied.

2. a) So, 18 × 5/18 = 5 m/s. Similarly, the final velocity is given as 36 km/s. So, 36 × 5/18 = 10 m/s.

b) Hence, the acceleration of the car is 1 m/s². ⇒ s = 37.5 m. Hence, the distance covered by car is 37.5 m.

Explanation:

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