A Student Designs a Clock Using a Mass and a Spring

question 34

Multiple Choice

A student designs a clock using a mass and a spring. Each oscillation of the mass advances the clock by one second. When the student builds the clock, he discovers he erred and each oscillation takes two seconds. What change can he make to fix the clock?

• A)double the amplitude of the oscillations
• B)quadruple the spring constant of the spring
• C)double the spring constant of the spring
• D)quadruple the mass
• E)double the mass

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Definitions:

Fovea

A small depression in the retina of the eye where visual acuity is highest.

Pupil

The black circular opening in the center of the eye's iris that regulates the amount of light that enters.

Iris

The colored part of the eye that controls the size of the pupil and the amount of light that enters the eye.

Axons

Long, slender projections of neurons that transmit electrical impulses away from the neuron's cell body to other neurons or to muscles or glands.