Throw an Object Upward at a 45 Degree Angle

question 92

Multiple Choice

Throw an object upward at a 45 degree angle. With no gravity it will follow a straight-line path. But because of gravity, at the end of 1 second, it is

• A) about 10 m below the straight line.
• B) about 5 m below the straight line.
• C) about 15 m below the straight line.

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Definitions:

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays a crucial role in the function of the brain and the muscles.

Postsynaptic

Relating to or occurring at the receiving end of a synapse in the nervous system where neuron-to-neuron communication takes place.

Depolarization

A process in which the electrical charge of a cell's membrane becomes less negative, triggering an action potential in neurons and muscle cells.

Repolarization

The process by which a neuron or muscle cell returns to its resting negative membrane potential after being depolarized.