A 2kg block sliding on horizontal surface with a speed of 5m/s comes to rest after covering distance of 5m . Assuming that the retardation is uniform find μ2
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Solution
The equation of motion is given as,
v2−u2=2as
0−(5)2=2×a×5
a=−2.5m/s2
When the block comes to rest, the force equation is
given as,