A Block Is Released from Rest at Point P and Slides

question 1

Multiple Choice

A block is released from rest at point P and slides along the frictionless track shown. At point Q, its speed is:

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Definitions:

Blink

A reflex that closes and then opens the eyelids quickly to help lubricate and protect the eye.

Puff of Air

A stimulus often used in psychological experiments to trigger a blink reflex or measure reactions, typically by delivering a quick burst of air towards the eye.

CS

Often short for "Conditioned Stimulus," a term used in classical conditioning to denote a previously neutral stimulus that, after being associated with an unconditioned stimulus, elicits a conditioned response.

Direct Experience

Knowledge or skill acquired through immediate observation or participation, without the intermediation of others or the use of technology.