Two Identical Objects a and B Fall from Rest from Different

question 48

Multiple Choice

Two identical objects A and B fall from rest from different heights to the ground.If object B takes twice as long as A to reach the ground,what is the ratio of the heights from which A and B fell? Neglect air resistance.

• A)1 :
• B)1 : 2
• C)1 : 4
• D)1 : 8

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Definitions:

Arousal

A physiological and psychological state of being awake or reactive to stimuli.

Muscle Action

The process of muscles contracting and relaxing to produce movement in the body.

Glutamate

An important neurotransmitter in the brain that plays a key role in learning and memory.

Inhibitory Neurotransmitter

A type of neurotransmitter that decreases the likelihood of the neuron it acts upon to fire an action potential, thus inhibiting neural activity.