A Small Object with a Mass of M = 658

question 20

Multiple Choice

A small object with a mass of m = 658 g is whirled at the end of a rope in a vertical circle with a radius of r = 137 cm.When it is at the location shown,(mid-height) ,and its speed is v = 5.54 m/s,calculate the direction of the total force acting on the mass.(as measured from a line drawn from m to the center of the circular path)

• A)23.7^o clockwise
• B)23.7^o counterclockwise
• C)66.3^o clockwise
• D)66.3^o counterclockwise
• E)0.00^o

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Definitions:

Neuron

A cell of the nervous system responsible for transmitting information through electrical and chemical signals.

Dendrites

Branched extensions of a neuron that receive signals from other neurons.

Axon

A long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body to other neurons, muscles, or glands.

Local Potential

Small changes in membrane potential that are localized and can lead to the generation of an action potential if threshold is reached.