An Object Is Dropped from Rest near the Surface of Earth.If

question 16

Multiple Choice

An object is dropped from rest near the surface of Earth.If the time interval during which it falls is doubled,the distance it falls will

• A)double.
• B)decrease by one-half.
• C)increase by a factor of four.
• D)decrease by a factor of four.
• E)not change.

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Definitions:

Pre-determined Speed

The speed set for a machine or device, decided before it is operated.

Rated Speed

Rated speed is the speed at which an electric motor or machine is designed to operate under a specific load to achieve optimum performance.

VFD Technology

Variable Frequency Drive technology, enabling control of the speed and torque of electric motors by varying the input frequency and voltage.

Phase Motors

Electric motors designed to operate on a specific number of phases of alternating current, each providing a distinct power cycle.