Question

Free end of an ideal spring of spring constant 100 N/
m is at a distance 1 m fro
m a vertical block of mass
2 kg moving on rough surface with initial speed 8 m/
s as shown in figure. If
coefficient of friction is 0.7,
then maximum compression in spring is (g = 10
ms-2
8 m/s
( = 100 N/m
2 kg
7771
177
Smooth
u = 0.7
1 m
k
(1) 1 m
135 0.75 m
(2) 0.5 m
(4) 0.25 m​

Answer 1

Answer:

o. 25m

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