A 0140-Kg Baseball Is Dropped from Rest from a Height of of 2.20

question 63

Multiple Choice

A 0.140-kg baseball is dropped from rest from a height of 2.20 m above the ground and experiences negligible air resistance as it falls.It rebounds to a height of 1.60 m.What change in the ball's momentum occurs as it rebounds from the ground?

• A)0.117 kg ∙ m/s upwards
• B)0.117 kg ∙ m/s downwards
• C)1.70 kg ∙ m/s upwards
• D)0.350 kg ∙ m/s upwards
• E)0.350 kg ∙ m/s downwards

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Definitions:

Continuous Reinforcement

A method of learning where a behavior is reinforced each time it is exhibited, leading to faster acquisition of the behavior.

Fixed-ratio Schedule

A form of reinforcement where a response is reinforced only after a specified number of responses, leading to high and steady response rates.

Variable-ratio Schedule

A schedule of reinforcement where a response is reinforced after an unpredictable number of responses, making it a powerful method for maintaining strong and steady response rates.

Variable-interval Schedule

A reinforcement strategy in operant conditioning where a response is rewarded after an unpredictable amount of time has passed.