From the top of a 20 m building, you throw an egg downwards with a speed of 5 m/s. Which of the following equations could correctly describe this scenario? Select all that apply. a) v = (5 m/s) + (9.8 m/s^2) t b) y = 20 m + (-5 m/s) t + 1/2 (-9.8 m/s^2) t^2 c) v^2 = (20 m/s)^2 + 2 (9.8 m/s^2) (y - 20 m) d) 5 m/s = 1/2 (v + vi) e) none of the above
From the top of a 20 m building, you throw an egg downwards with a speed of 5 m/s. Which of the following equations could correctly describe this scenario? Select all that apply. a) v = (5 m/s) + (9.8 m/s^2) t b) y = 20 m + (-5 m/s) t + 1/2 (-9.8 m/s^2) t^2 c) v^2 = (20 m/s)^2 + 2 (9.8 m/s^2) (y - 20 m) d) 5 m/s = 1/2 (v + vi) e) none of the above
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 7OQ: A student at the top of a building of height h throws one ball upward with a speed of vi and then...
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From the top of a 20 m building, you throw an egg downwards with a speed of 5 m/s. Which of the following equations could correctly describe this scenario? Select all that apply.
a) v = (5 m/s) + (9.8 m/s^2) t
b) y = 20 m + (-5 m/s) t + 1/2 (-9.8 m/s^2) t^2
c) v^2 = (20 m/s)^2 + 2 (9.8 m/s^2) (y - 20 m)
d) 5 m/s = 1/2 (v + vi)
e) none of the above
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