A mass of 3.0 kg rests on a smooth surface inclined 34° above the horizontal. It is kept from sliding down the plane by a spring attached to a wall. The spring is aligned with the plane and has a spring constant of 120 N/m
How much does the spring stretch? A) 360 cm
B) 240 cm
C) 14 cm
D) 24 cm
E) 36 cm
C
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