Question

A car running with 20 m/s on a level road is stopped after travelling a distance of 30m after
disengaging its engine (g = 10m/s^2). The coefficient of friction between the road and
tyres is

Option A
0.33
Option B
4.5
Option C
0.67
Option D
0.8​

Answer 1

Answer:

b Option B

4.5 is the question

Answer 2

Answer:

Option C 0.67

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