A Machine Part Is Vibrating Along the X-Axis in Simple

question 48

Multiple Choice

A machine part is vibrating along the x-axis in simple harmonic motion with a period of 0.27 s and a range (from the maximum in one direction to the maximum in the other) of 3.0 cm. At time t = 0 it is at its central position and moving in the +x direction. What is its position when t = 55 s?

• A) x = -0.43 cm
• B) x = -0.51 cm
• C) x = +0.51 cm
• D) x = -1.3 cm
• E) x = -1.4 cm

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Definitions:

Gland Cells

Specialized cells that secrete hormones or other substances directly into the blood or surrounding tissues.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, such as a neuromuscular junction, from one neuron to another 'target' neuron, muscle cell, or gland cell.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and sending out signals to the rest of the body.

Neurons

Specialized cells in the nervous system that transmit information to other nerve cells, muscle, or gland cells.