When Pumping Water Out of a Full Hemispherical Basin with Radius

question 61

Multiple Choice

When pumping water out of a full hemispherical basin with radius r feet, how far down will the water level be when 1/4 of the work has been done? [The density of water is 62.4 lbs/ft³.]

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Definitions:

Conditioned Response

A learned reaction to a previously neutral stimulus that has become associated with an unconditioned stimulus.

Conditioned Stimulus

A stimulus that elicits a response only after learning has taken place, typically through association with an unconditioned stimulus.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without any need for prior learning or conditioning.

Unconditioned Response

An involuntary, inherent reaction to a stimulus, occurring without any learned or conditioned prior history.