A Block That Has a Mass M = 4

question 90

Multiple Choice

A block that has a mass M = 4.25 kg is hanging at rest on a light string.A projectile with a mass m = 250 g moving horizontally strikes M and sticks to it.The block and its projectile swing up and the center of mass rises a distance h = 12.0 cm.The speed of the projectile is approximately

• A)28 m/s
• B)42 m/s
• C)0.28 km/s
• D)26 m/s
• E)14 m/s

---

Definitions:

Classical Conditioning

A teaching approach whereby, through consistent pairing, a response initially elicited by a secondary stimulus is in time elicited by the primary stimulus.

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior, where an association is made between a behavior and a consequence for that behavior.

Transference Learning

The process by which knowledge or skills learned in one context are applied or transferred to a new context.

Human Genome Project

An international scientific research project that successfully mapped and understood all the genes of human beings, known collectively as the genome.