Q1: A dolphin in an aquatic show jumps straight up out of the water at a velocity of 13.0 m/s. (0) List the knowns in this problem. (b) How high does his body rise obove the water? To solve this part, first note that the final velocity is now a known and identify its value. Then identify the unknown, and discuss how you chose the oppropriate equation to solve for it. After choosing the equation, show your steps in solving for the unknown, checking units, and discuss whether the answer is reasonable. (c) How long is the dolphin in the air? Neglect any effects due to his size or orientation.

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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Q1: A dolphin in an aquatic show jumps straight up out of the water at a velocity of 13.0 m/s.
(0) List the knowns in this problem. (b) How high does his body rise obove the water? To solve
this part, first note that the final velocity is now a known and identify its value. Then identify the
unknown, and discuss how you chose the oppropriate equation to solve for it. After choosing the
equation, show your steps in solving for the unknown, checking units, and discuss whether the
answer is reasonable. (c) How long is the dolphin in the air? Neglect any effects due to his size or
orientation.
Transcribed Image Text:Q1: A dolphin in an aquatic show jumps straight up out of the water at a velocity of 13.0 m/s. (0) List the knowns in this problem. (b) How high does his body rise obove the water? To solve this part, first note that the final velocity is now a known and identify its value. Then identify the unknown, and discuss how you chose the oppropriate equation to solve for it. After choosing the equation, show your steps in solving for the unknown, checking units, and discuss whether the answer is reasonable. (c) How long is the dolphin in the air? Neglect any effects due to his size or orientation.
Q3: An arrow is shot from a height of 1.5 m toward a cliff of height H. It is shot with a velocity
of 30 m/s at an angle of 60° above the horizontal. It lands on the top edge of the cliff 4.0s later.
(a) What is the height of the cliff? (b) What is the maximum height reached by the arrow along
its trajectory? (c) What is the arrow's impact speed just before hitting the cliff?
Transcribed Image Text:Q3: An arrow is shot from a height of 1.5 m toward a cliff of height H. It is shot with a velocity of 30 m/s at an angle of 60° above the horizontal. It lands on the top edge of the cliff 4.0s later. (a) What is the height of the cliff? (b) What is the maximum height reached by the arrow along its trajectory? (c) What is the arrow's impact speed just before hitting the cliff?
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