You Need an Expression for the Acceleration of the Moon

question 78

Multiple Choice

You need an expression for the acceleration of the moon toward Earth.If the mass of the earth is M_e,the mass of the moon M_m,the separation of Earth and moon r,and the appropriate gravitational constant is G,the correct expression for the moon's acceleration is

• A)GM_eM_m/r²
• B)GM_eM_m²/r²
• C)GM_m/r²
• D)GM_e/r²
• E)GM_e/r²M_m

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Definitions:

Shaping

A method of training by which successive approximations towards a desired behavior are reinforced.

Fixed Interval

In the context of operant conditioning, a schedule of reinforcement where rewards are delivered at fixed time intervals, provided the correct response is made.

Variable Interval

A reinforcement schedule in which reinforcements are given after unpredictable time durations.

Fixed Ratio

A schedule of reinforcement where a response is only reinforced after a specified number of responses.