Solve the Problem $9 \mathrm { ft }$ Above the Surface of the Moon

question 343

Multiple Choice

Solve the problem.
-An object is dropped from $9 \mathrm { ft }$ above the surface of the moon. How long will it take the object to hit the surface of the moon if $\mathrm { d } ^ { 2 } \mathrm {~s} / \mathrm { dt } ^ { 2 } = - 5.2 \mathrm { ft } / \mathrm { sec } ^ { 2 }$ ?

• A) 3.46 sec
• B) 1.32 sec
• C) 0.87 sec
• D) 1.86 sec

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Definitions:

Frequency Source

A device or component that generates a steady and specific frequency of electrical signal.

Capacitive Reactance

The opposition that a capacitor presents to the change in voltage, measured in ohms.

Frequency Source

An electronic component or circuit that generates a signal of a specific frequency, used in various types of electronic equipment.

Capacitive Reactance

The resistance a capacitor offers to AC current, dependent on the frequency of the current and the capacitance value.