10. 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 snowbal 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? (There are two correct answers, please pick one of the two.) *
10. 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 snowbal 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? (There are two correct answers, please pick one of the two.) *
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:10. 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? (There are two correct answers,
please pick one of the two.) *
Mary's snowball will stay in the air longer than Debra's.
Both snowballs will take the same amount of time to hit the ground.
Debra's snowball will stay in the air longer than Mary's.
Mary's snowball has a greater downward acceleration than Debra's.
Debra's snowball has the exact same acceleration as Mary's.
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