A 60-Kg Skier Starts from Rest from the Top of a 50-M

question 54

Multiple Choice

A 60-kg skier starts from rest from the top of a 50-m high slope.If the work done by friction is -6.0 kJ,what is the speed of the skier on reaching the bottom of the slope?

• A)17 m/s
• B)24 m/s
• C)28 m/s
• D)31 m/s

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Definitions:

Break-Even Point

The level of production or sales at which total revenues equal total costs, resulting in no profit or loss.

Variable Costs

Costs that fluctuate with the level of output or production, such as raw materials and direct labor.

Contribution Margin

The amount by which a product's sales price exceeds its variable costs. It contributes to covering fixed costs and generating profit.

Variable Costs

Expenses that change in proportion to the level of production or sales activity.