Slanted Surfaces with Friction: the Figure Shows Two Packages That

question 47

Multiple Choice

Slanted surfaces with friction: The figure shows two packages that start sliding down a 20° ramp from rest a distance along the ramp from the bottom. Package A has a mass of 5.0 kg and a coefficient of kinetic friction 0.20 between it and the ramp. Package B has a mass of 10 kg and a coefficient of kinetic friction 0.15 between it and the ramp. How long does it take package A to reach the bottom?

• A) 2.7 s
• B) 3.0 s
• C) 3.2 s
• D) 3.5 s

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Definitions:

Restatement of Contracts

A collection of legal principles regarding contracts, intended to clarify and synthesize current contractual laws in the United States.

Mental Impairment

A condition that impacts an individual's cognitive functioning, potentially affecting memory, decision-making, or learning abilities.

Divisible Agreement

A contract that can be legally separated into individual obligations, allowing for partial fulfillment.

Illegality

The state or condition of being contrary to law or forbidden by law.