Mary and Debra Stand on a Snow-Covered Roof

question 138

Multiple Choice

Mary and Debra stand on a snow-covered roof.They both throw snowballs with the same initial speed,but in different directions.Mary throws her snowball downward,at 30° below the horizontal; Debra throws her snowball upward,at 30° above the horizontal.Which of the following statements are true about just before the snowballs reach the ground below? Neglect the effects of air.(There could be more than one correct choice.)

• A)Debra's snowball will stay in flight longer than Mary's snowball.
• B)Mary's snowball will stay in flight longer than Debra's snowball.
• C)Both snowballs will take the same amount of time to hit the ground.
• D)Debra's snowball has exactly the same acceleration as Mary's snowball.
• E)Mary's snowball has a greater downward acceleration than Debra's snowball.

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Definitions:

Useful Life

The expected period over which a fixed asset is anticipated to be usable by the company.

Limousine

A luxury vehicle driven by a chauffeur, often elongated in form, used for special occasions or services.

Discount Rate

The rate of interest applied to discount future cash flows back to their current value, commonly employed in evaluating investments and planning for capital expenditures.

Salvage Value

The approximated financial return of an asset at the termination of its usefulness.