Loose Leaf For Explorations: Introduction To Astronomy
9th Edition
ISBN: 9781260432145
Author: Thomas T Arny, Stephen E Schneider Professor
Publisher: McGraw-Hill Education
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Chapter 11, Problem 5TY
To determine
The astronomers estimate the sizes of most asteroids.
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Part C
Find the height yi
from which the rock was launched.
Express your answer in meters to three significant figures.
Learning Goal:
To practice Problem-Solving Strategy 4.1 for projectile motion problems.
A rock thrown with speed 12.0 m/s and launch angle 30.0 ∘ (above the horizontal) travels a horizontal distance of d = 19.0 m before hitting the ground. From what height was the rock thrown? Use the value g = 9.800 m/s2 for the free-fall acceleration.
PROBLEM-SOLVING STRATEGY 4.1 Projectile motion problems
MODEL: Is it reasonable to ignore air resistance? If so, use the projectile motion model.
VISUALIZE: Establish a coordinate system with the x-axis horizontal and the y-axis vertical. Define symbols and identify what the problem is trying to find. For a launch at angle θ, the initial velocity components are vix=v0cosθ and viy=v0sinθ.
SOLVE: The acceleration is known: ax=0 and ay=−g. Thus, the problem becomes one of…
Phys 25
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Chapter 11 Solutions
Loose Leaf For Explorations: Introduction To Astronomy
Ch. 11 - Prob. 1QFRCh. 11 - Prob. 2QFRCh. 11 - How is a meteor heated?Ch. 11 - Prob. 4QFRCh. 11 - Where are most asteroids found?Ch. 11 - Prob. 6QFRCh. 11 - (11.2) How do we know that asteroids have a...Ch. 11 - Prob. 8QFRCh. 11 - Prob. 9QFRCh. 11 - Prob. 10QFR
Ch. 11 - Prob. 11QFRCh. 11 - Prob. 12QFRCh. 11 - Prob. 13QFRCh. 11 - Prob. 14QFRCh. 11 - Prob. 15QFRCh. 11 - Prob. 16QFRCh. 11 - What creates meteor showers? When do some occur?Ch. 11 - Prob. 18QFRCh. 11 - Prob. 19QFRCh. 11 - Prob. 20QFRCh. 11 - Prob. 1TQCh. 11 - Prob. 2TQCh. 11 - Prob. 3TQCh. 11 - Prob. 4TQCh. 11 - Prob. 5TQCh. 11 - Prob. 6TQCh. 11 - Prob. 7TQCh. 11 - Prob. 8TQCh. 11 - Prob. 1PCh. 11 - Prob. 2PCh. 11 - Prob. 3PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10PCh. 11 - Prob. 11PCh. 11 - Prob. 1TYCh. 11 - Prob. 2TYCh. 11 - Prob. 3TYCh. 11 - Prob. 4TYCh. 11 - Prob. 5TYCh. 11 - Prob. 6TYCh. 11 - Prob. 7TYCh. 11 - Prob. 8TYCh. 11 - Prob. 9TYCh. 11 - Prob. 10TYCh. 11 - Prob. 11TY
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