A car moving with the speed of 30 m /s is being stopped by applying brakes. If produced retardation is 6 m / second square, then how much time will it take to halt?

Options :
  1. 10 s
  2. 20 s
  3. 5 s
  4. 3 s
Answer and Explanation :-

Answer: Option 3

Explanation:

By using formula: v = u + at

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