A 200 Kg Box Slides Down a 12

question 31

Multiple Choice

A 20.0 kg box slides down a 12.0 m long incline at an angle of 30.0 degrees with the horizontal. A force of 50.0 N is applied to the box in the upward direction. The applied force F makes an angle of 0.00 to the incline. If the incline is frictionless, then the increase in the kinetic energy of the box is

• A) 620 J.
• B) 576 J.
• C) 542 J.
• D) 500 J.
• E) 475 J.

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Definitions:

Axon

A thin, elongated extension of a neuron, or nerve cell, that usually transmits electrical signals from the cell body of the neuron.

Neurotransmitter

Chemical substances in the brain that transmit signals from one neuron to another, influencing various functions such as mood, memory, and movement.

Synapse

The junction between two neurons or between a neuron and a muscle where neurotransmitters are released to transmit impulses.

Synapse

The junction between two neurons or between a neuron and a muscle where impulses pass by diffusion of a neurotransmitter.