Slanted Surfaces Without Friction: a Child on a Sled Starts

question 129

Multiple Choice

Slanted surfaces without friction: A child on a sled starts from rest at the top of a 15° slope. If the trip to the bottom takes how long is the slope? Assume that frictional forces may be neglected.

• A) 293 m
• B) 586 m
• C) 1130 m
• D) 147 m

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Definitions:

Profit-maximizing Output

The maximum profit attainment point for a company occurs when the marginal cost matches the marginal revenue, indicating the optimum production level.

Purely Competitive Firm

A firm operating in a market where there are many sellers and buyers, the products are homogenous, and there are no barriers to entry or exit, leading to market prices being determined by supply and demand.

Short Run

A period of time during which at least one of a firm's inputs is fixed, limiting its ability to adjust to changes in demand or production costs.