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# Amplitude, total energy and speed of object

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A 0.5kg object is connected to a light spring with a spring constant of 25N/m and oscillates on a frictionless horizontal surface. the amplitude of motion is 3 cm.

Find the total energy of the system.

What is the speed of the object when the displacement is 2cm?

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https://brainmass.com/physics/energy/amplitude-total-energy-speed-object-58938

#### Solution Preview

The elastic potential energy of the mass is calculated using
Ep=(kx^2)/2
where k=25N/m

At the amplitude position, x=0.03 (m) the total ...

#### Solution Summary

The solution provides detailed explanations and calculations for the problem. The speed of the objects when the displacement is 2cm is determined.

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