At the Same Instant That a 0

question 61

Multiple Choice

At the same instant that a 0.50-kg ball is dropped from 25 m above Earth, a second ball, with a mass of 0.25 kg, is thrown straight upward from Earth's surface with an initial speed of 15 m/s.They move along nearby lines and pass without colliding.At the end of 2.0 s the velocity of the center of mass of the two-ball system is:

• A)11 m/s, down
• B)11 m/s, up
• C)15 m/s, down
• D)15 m/s, up
• E)20 m/s, down

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Definitions:

Conflict Minerals

Natural resources mined in areas where the sales are used to fund armed conflict, human rights abuses, or other violations.

Due Diligence

The comprehensive investigation or exercise of care that a reasonable business or person is expected to take before entering into an agreement or transaction with another party.

Supply Chains

A network of individuals, organizations, resources, activities, and technology involved in the creation and sale of a product, from the delivery of raw materials from the supplier to the manufacturer, and ultimately to the end user.

Competent Parties

Individuals or entities that are legally able to enter into a binding contract, having the necessary legal authority and mental capacity.