A Deep Sea Diving Bell Is Being Lowered at a Constant

question 200

Multiple Choice

A deep sea diving bell is being lowered at a constant rate. After 12 minutes, the bell is at a depth of 400 ft. After 45 minutes the bell is at a depth of 1700 ft. What is the average rate of lowering per minute?

• A) 37.8 ft per minute
• B) 0.03 ft per minute
• C) 28.9 ft per minute
• D) 39.4 ft per minute

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Definitions:

Terminal Buttons

Small knobs at the end of an axon that release chemicals called neurotransmitters into the synapse.

Synaptic Cleft

The small gap at a synapse between neurons, through which neurotransmitters are released and received.

Dendrites

Branch-like extensions of neurons that receive electrochemical messages from other neurons, crucial for the transmission of neural signals.

Resting Potential

The difference in electric charge between the inside and outside of a neuron's cell membrane when the neuron is not actively transmitting a signal.