EBK ESSENTIAL COSMIC PERSPECTIVE, THE
8th Edition
ISBN: 9780134532417
Author: Voit
Publisher: YUZU
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Chapter 4, Problem 19EAP
Decide whether the statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain clearly: not all of these have definitive answers, so your explanation is more important than your chosen answer.
19. If the Sun were magically replaced with a giant rock that had precisely the same mass, Earth’s orbit would not change.
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1. Ancient civilizations observed and kept track of daily movement of heavenly bodies. Which one is NOT the reason for this?
a. navigation purposes
b. time keeping
c. annual cultural cycles
d. agricultural cycles
2. What Kepler's Law of Planetary Motion is related to the Newton's Law of Motion based from the statement below:
The statement:
"Since the planets move on ellipses they are continually accelerating."
a. Law of Ellipses and Law of Acceleration
b. Law of Ellipses and Law of Inertia
c. Law of Equal Areas and Law of Interaction
d. Law of Period and Law of Inertia
e. Law of Period and Law of Acceleration
3. Edwi Hubble proposed a way to organize galaxies in 1920. How are galaxies classified?
a. color of stars
b. shape of galaxy
c. age of stars
d. composition of stars
e. diameter of galaxy
4. Find the magnifying power (M) and the length (L) of a simple telescope with 30-inches focal length of the objective and 2 inches focal length of the eyepiece.…
M
M
1. What is the gravitational potential energy of the mass (m) in the picture? The mass is the same
distance awayr from the centers of both of the other masses, and both of the other masses have
the same mass, M. Give your answer in Joules.
r= 400 million meters
m = 7x1022 kg
M = 2x1027 kg
2. What is the net gravitational force for the mass m at this location? Give your answer in
Newtons.
Name
Date
What causes one solar system object
to move around another one?
Part A: Why do the planets in our solar system stay in a predictable pattern and not fly off
into space chaotically?
Part B: Explain how mass and distance affect gravity.
1.
How would increasing the mass of the Moon affect the force of gravity?
2. How would decreasing the mass of the Moon affect the force of gravity?
3. How would increasing the distance between Earth and the Moon affect the force of gravity?
4. How would decreasing the distance between Earth to the Moon affect the force of gravity?
Part C:
Based on this idea, why do you think the solar system is set up the way it is?
Chapter 4 Solutions
EBK ESSENTIAL COSMIC PERSPECTIVE, THE
Ch. 4 - Prob. 1VSCCh. 4 - Check your understanding of some of the many types...Ch. 4 - Check your understanding of some of the many types...Ch. 4 - Check your understanding of some of the many types...Ch. 4 - Check your understanding of some of the many types...Ch. 4 - Define speed, velocity, and acceleration. What are...Ch. 4 - Define momentum and force. What do we mean when we...Ch. 4 - What is free-fall, and why does it make you...Ch. 4 - Prob. 4EAPCh. 4 - Prob. 5EAP
Ch. 4 - Define kinetic energy, radiative energy, and...Ch. 4 - Define and distinguish temperature and thermal...Ch. 4 - Prob. 8EAPCh. 4 - Summarize the universal law of gravitation both in...Ch. 4 - What is the difference between a bound and an...Ch. 4 - Under what conditions can we use Newton’s version...Ch. 4 - Explain why orbits cannot change spontaneously,...Ch. 4 - Explain how the Moon creates tides on Earth. Why...Ch. 4 - How do the tides vary with the phase of the Moon?...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - Decide whether the statement makes sense (or is...Ch. 4 - A car is accelerating when it is (a) traveling on...Ch. 4 - Compared to their values on Earth, on another...Ch. 4 - Which person is weightless? (a) a child in the air...Ch. 4 - Consider the statement “There’s no gravity in...Ch. 4 - To make a rocket turn left, you need to (a) fire...Ch. 4 - Compared to its angular momentum when it is...Ch. 4 - Prob. 31EAPCh. 4 - If Earth were twice as far from the Sun, the force...Ch. 4 - According to the law of universal gravitation,...Ch. 4 - If the Moon were closer to Earth, high tides would...Ch. 4 - Testing Gravity. Scientists are constantly trying...Ch. 4 - How Does the Table Know? Thinking deeply about...Ch. 4 - 37. Your Ultimate Energy Source. Roles: Scribe...Ch. 4 - Weightlessness. Astronauts are weightless when in...Ch. 4 - Einstein’s Famous Formula. a. What is the meaning...Ch. 4 - The Gravitational Law. a. How does quadrupling the...Ch. 4 - Prob. 41EAPCh. 4 - Head to Foot Tides. You and Earth attract each...Ch. 4 - Prob. 43EAPCh. 4 - Prob. 44EAPCh. 4 - Prob. 45EAPCh. 4 - Prob. 46EAPCh. 4 - Prob. 47EAPCh. 4 - Prob. 48EAPCh. 4 - Space Station. Visit a NASA site with pictures...Ch. 4 - Prob. 50EAPCh. 4 - Prob. 51EAP
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- Suppose you're in a circular orbit around Saturn (M = 5.683 x 1026 kg) with a semi-major axis of a = 237,948 km. a. What is your orbital velocity? b. Using the "Vis-viva" equation (which can be derived from the total energy) v = GM What is the delta-V you would need to get from your current orbit, into an elliptical orbit that has an apoapsis near Titan (a = 1,221,870 km)?arrow_forward. With the mass of earth as 5.9722×10 to the 24 kg. and the mass of the moon is 7.38 x10 to the 22kg.with a distance of 384790km a. what is the gravitational pull between the two objects? b. what happens to gravitational pull if you reduced the distance into 1/2?arrow_forward10arrow_forward
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- . Solve the following problems. Use GFSA (Given, Find, Solution, and Answer) on the given space below. Encircle your final answer, write it in scientific notation with 2 decimal places (if possible). You’re involved in the design of a mission carrying humans to the surface of the planet Mars, which has a radius 3.37x106m and a mass of 6.42x1023 kg. The earth weight of the Mar’s lander is 39,200 N. Calculate its weight and the acceleration due to Mar’s gravity at 6.0 x 106 m above the surface of Mars. r= 3.37x106 m h = 6.0x106 m above the surface of Mars.arrow_forwardAnswer it correctly please. Explain your answer. I will rate accordingly with multiple votes. Do only if ? sure. My last attempt.arrow_forwardThe following question is referring to the concept of Newton’s Law of Gravitation on inferring gravitational force, weight, and acceleration due to gravity and Physical significance of gravitational field. Solve for the unknown quantities and round-off your final answers in the nearest hundredths. 1. Planet A and Planet B have a mass of 4 x 1024 kg and 4.5 x 1025 kg. The gravitational force between the two planets is 4.8 x 1020. How apart is Planet A from Planet B? with step by step explanation.arrow_forward
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