9. (Target K1) You are sitting under a tree, enjoying a nice summer day. Unbeknownst to you, your friend is perched a branch, 3.5 m above the ground, with a water balloon that they drop directly above your head. When sitting, your head is 0.75 m above the ground. You hear your friend laugh and look up to see the water balloon when it is 1.5 m above your head. (a) At this time, what is the speed of the water balloon? (b) How much time does it take the water balloon to reach your head, from the time that you

Astronomy
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ISBN:9781938168284
Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Chapter24: Black Holes And Curved Spacetime
Section: Chapter Questions
Problem 12E: A monkey hanging from a tree branch sees a hunter aiming a rifle directly at him. The monkey then...
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9. (Target K1) You are sitting under a tree, enjoying a nice summer day. Unbeknownst to you,
your friend is perched a branch, 3.5 m above the ground, with a water balloon that they drop
directly above your head. When sitting, your head is 0.75 m above the ground. You hear your
friend laugh and look up to see the water balloon when it is 1.5 m above your head.
(a) At this time, what is the speed of the water balloon?
(b) How much time does it take the water balloon to reach your head, from the time that you
see it?
Transcribed Image Text:9. (Target K1) You are sitting under a tree, enjoying a nice summer day. Unbeknownst to you, your friend is perched a branch, 3.5 m above the ground, with a water balloon that they drop directly above your head. When sitting, your head is 0.75 m above the ground. You hear your friend laugh and look up to see the water balloon when it is 1.5 m above your head. (a) At this time, what is the speed of the water balloon? (b) How much time does it take the water balloon to reach your head, from the time that you see it?
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