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1. A spring system consists of a stationary spring and a 100-gram mass attached to one end that slides along a horizontal frictionless surface. When a horizontal force of 10.0 N is applied to the mass, the spring stretches 30.0 cm.

a) How much total energy is in the spring?

b) What is the speed of the mass as it passes through a point 15.0 cm from its equilibrium point?

c) What is its speed at the exact instant when it passes through its equilibrium position?

d) Why aren't these speeds in a ratio of 1:2?

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Category:- Physics
Reference No.:- M91030061

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