Four Balls Are Thrown Off the Top of a Building $\circ$

question 34

Multiple Choice

Four balls are thrown off the top of a building 27 m high.All balls are thrown with identical speeds,but at different angles.Ball 1 is thrown straight upward.Ball 2 is thrown +30 ^$\circ$ relative to the horizontal.Ball 3 is thrown at an angle of +45 relative to the horizontal.And Ball 4 is thrown at an angle of -45 ^$\circ$ relative to the horizontal.Which ball has the greatest kinetic energy at the top of their respective paths?

• A)ball 1
• B)ball 2
• C)ball 3
• D)ball 4
• E)All have the same kinetic energy

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Definitions:

Spontaneous Recovery

The reappearance of a previously extinguished response after a pause.

Operant Conditioning

A method of learning that employs rewards and punishments for behavior, which affects the likelihood of that behavior being repeated.

Latent Learning

A form of learning that occurs without any immediate or obvious reinforcement, only becoming apparent through a subsequent change in behavior.

Observational Learning

Learning that occurs through observing the behaviors of others and the outcomes of those behaviors, without direct experience.