A Golf Ball Is Dropped from a Height of 1

question 40

Multiple Choice

A golf ball is dropped from a height of 1.0 m onto a concrete floor.The velocity of the ball immediately before hitting the floor is 4.43 m/s downward.The ball contacts the floor for 0.940 ms (check out R.Cross,Am.J.Phys.,Vol.67,No.3,March 1999) and leaves the floor traveling upward at 3.96 m/s.The average acceleration of the golf ball while it is in contact with the floor is

• A)9.81 m/s².
• B)8.93 * 10³ m/s².
• C)500 m/s².
• D)4.71 * 10³ m/s².
• E)4.21 * 10³ m/s².

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Definitions:

Diminishing Marginal Product

A principle stating that, holding all else constant, an increase in the quantity of one input will eventually lead to lower additional output per unit of input.

Marginal Product

The extra production that comes from using an additional unit of input, while keeping other inputs unchanged.

Total Cost Curve

A graphical representation of the total cost of production, which shows how total cost changes as the quantity of output changes.

Typical Firm

A representative entity in an industry or market that reflects the common attributes of businesses within that context.