Mary and Debra Stand on a Snow-Covered Roof

question 18

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 bove the horizontal. Which of the
Following statements are true about just before the snowballs reach the ground below? (There
Could be more than one correct choice.)

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

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Definitions:

Beef Consumption

The amount of beef eaten by individuals or populations within a certain timeframe.

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A type of flowering plant that is often cultivated for its bright, colorful blooms, and has historical significance in the economic history due to the "Tulip Mania."

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The total value of all goods and services produced within the borders of a country.

Exporting Industries

Industries that produce goods and services that are sold abroad.