On a Frictionless Horizontal Table,two Blocks (A of Mass 2

question 48

Multiple Choice

On a frictionless horizontal table,two blocks (A of mass 2.00 kg and B of mass 3.00 kg) are pressed together against an ideal massless spring that stores 75.0 J of elastic potential energy.The blocks are not attached to the spring and are free to move free of it once they are released from rest.The maximum speed achieved by each block is closest to

• A) 6.71 m/s (A), 4.47 m/s (B).
• B) 4.47 m/s (A), 6.71 m/s (B).
• C) 5.48 m/s for both.
• D) 6.12 m/s (A), 5.00 m/s (B).
• E) 5.00 m/s (A), 6.12 m/s (B).

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Definitions:

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price level in a market.

Law of Diminishing

The principle that states that as one input variable is incrementally increased, there will be a point at which the added output per unit of input will start to decrease, holding all other inputs constant.

Price-elasticity

A measure of how much the quantity demanded or supplied of a good responds to a change in its price.

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