Astronomy: A Beginner's Guide to the Universe (8th Edition)
8th Edition
ISBN: 9780134087702
Author: Eric Chaisson, Steve McMillan
Publisher: PEARSON
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Chapter 0, Problem 13RD
To determine
The reason to have a long base line when using a triangulation to measure the distances to objects in space.
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The force of the quadriceps (Fq) and force of the patellar tendon (Fp) is identical (i.e., 1000 N each). In the figure below angle in blue is Θ and the in green is half Θ (i.e., Θ/2). A) Calculate the patellar reaction force (i.e., R resultant vector is the sum of the horizontal component of the quadriceps and patellar tendon force) at the following joint angles: you need to provide a diagram showing the vector and its components for each part. a1) Θ = 160 degrees, a2) Θ = 90 degrees. NOTE: USE ONLY TRIGNOMETRIC FUNCTIONS (SIN/TAN/COS, NO LAW OF COSINES, NO COMPLICATED ALGEBRAIC EQUATIONS OR ANYTHING ELSE, ETC. Question A has 2 parts!
The force of the quadriceps (Fq) and force of the patellar tendon (Fp) is identical (i.e., 1000 N each). In the figure below angle in blue is Θ and the in green is half Θ (i.e., Θ/2). A) Calculate the patellar reaction force (i.e., R resultant vector is the sum of the horizontal component of the quadriceps and patellar tendon force) at the following joint angles: you need to provide a diagram showing the vector and its components for each part. a1) Θ = 160 degrees, a2) Θ = 90 degrees. NOTE: USE DO NOT USE LAW OF COSINES, NO COMPLICATED ALGEBRAIC EQUATIONS OR ANYTHING ELSE, ETC. Question A has 2 parts!
Chapter 0 Solutions
Astronomy: A Beginner's Guide to the Universe (8th Edition)
Ch. 0 - Prob. 1RDCh. 0 - LO2 What is a constellation? Why are...Ch. 0 - Why does the Sun rise in the east and set in the...Ch. 0 - How and why does a day measured by the Sun differ...Ch. 0 - How many times in your life have you orbited the...Ch. 0 - Why do we see different stars at different times...Ch. 0 - LO3 Why are there seasons on Earth?
Ch. 0 - What is precession, and what is its cause?
Ch. 0 - LO4 If one complete hemisphere of the Moon is...Ch. 0 - What causes a lunar eclipse? A solar eclipse? Why...
Ch. 0 - POS Do you think an observer on another planet...Ch. 0 - Prob. 12RDCh. 0 - Prob. 13RDCh. 0 - LO5 What two pieces of information are needed to...Ch. 0 - LO6 VIS What is the scientific method? In what...Ch. 0 - Prob. 1CTCh. 0 - Prob. 2CTCh. 0 - The solar day is longer than the sidereal day....Ch. 0 - The seasons are caused by the precession of...Ch. 0 - A lunar eclipse can occur only during the full...Ch. 0 - The angular diameter of an object is inversely...Ch. 0 - If we know the distance of an object from Earth,...Ch. 0 - If Earth rotated twice as fast as it currently...Ch. 0 - A long, thin cloud that stretched from directly...Ch. 0 - When a thin crescent of the Moon is visible just...Ch. 0 - If the Moon’s orbit were a little larger, solar...Ch. 0 - If the Moon orbited Earth twice as fast, but in...Ch. 0 - VIS According to Figure 0.8 (The Zodiac), in...Ch. 0 - VIS In Figure 0.19 (Triangulation), using a longer...Ch. 0 - Prob. 15CTCh. 0 - The vernal equinox is now just entering the...Ch. 0 - Given that Earth orbits at 150,000,000 km from the...Ch. 0 - How, and by roughly how much, would the length of...Ch. 0 - How long does it take for the Moon to move a...Ch. 0 - Given that the distance to the Moon is 384,000 km,...Ch. 0 - Use reasoning similar to that illustrated in...Ch. 0 - The baseline in Figure 0.19 is 100 m and the angle...Ch. 0 - Use reasoning similar to that in Discovery 0-1...Ch. 0 - What would the measured angle in Discovery 0-1...Ch. 0 - What angle would Eratosthenes have measured (see...
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- No chatgpt pls will upvotearrow_forwardThe force of the quadriceps (Fq) and force of the patellar tendon (Fp) is identical (i.e., 1000 N each). In the figure below angle in blue is Θ and the in green is half Θ (i.e., Θ/2). A) Calculate the patellar reaction force (i.e., R resultant vector is the sum of the horizontal component of the quadriceps and patellar tendon force) at the following joint angles: you need to provide a diagram showing the vector and its components for each part. a1) Θ = 160 degrees, a2) Θ = 90 degrees. NOTE: USE ONLY TRIGNOMETRIC FUNCTIONS (SIN/TAN/COS, NO LAW OF COSINES, NO COMPLICATED ALGEBRAIC EQUATIONS OR ANYTHING ELSE, ETC. Question A has 2 parts!arrow_forwardNo chatgpt pls will upvotearrow_forward
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