A Small 14-N Stone Slides Down a Frictionless Bowl, Starting from Rest

question 12

Multiple Choice

A small 1.4-N stone slides down a frictionless bowl, starting from rest at the rim. The bowl itself is a hemisphere of radius 75 cm. Just as the stone reaches the bottom of the bowl, how hard is the
Bowl pushing on it?

• A) 2.8 N
• B) 5.6 N
• C) 4.2 N
• D) 0.70 N
• E) 1.4 N

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Definitions:

Stock Price

The cost at which a share of a company is bought or sold in the stock market.

Interest Rate

is the cost of borrowing money, expressed as a percentage of the total amount loaned, paid to lenders by borrowers for the use of the borrowed funds.

Expected Future Profits

The anticipated earnings or returns a company or investment is predicted to generate in the future, based on current trends or calculations.

Random Walk Theory

A financial theory suggesting that stock market prices evolve according to an unpredictable and random path.