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Fig. 4b shows a spring loaded along an incline plane. When
S = 0.6 m, the spring is unstretched and the 10-kg block has
a speed of 5 m/s down the smooth plane. Write expressions
for each of the work done (i.e. spring, weight component
and force F) on the block in terms of the distance x moved
when it stopped.
b.
k 200 N/m
00000
5m/s
-
F-100N
30
Fig. 4b

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