Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Textbook Question
Chapter 2, Problem 1MIO
Reread Section 2.7 on the law of universal gravitation and make a list of concepts and examples that might serve as a basis for developing a concept map summarizing the material in this section. Alter creating sow list, reorder the items, ranking most from most general to least general (that is, most specific).
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Question 5 of 20
The table shows data for four planetary bodies. If your mass is 68.05 kg, how
much gravitational force would you experience on the surface of Mercury?
Gmim2 The gravitational constant
Newton's law of gravitation is F,
gravity
Gis 6.67 x 10-11 N•m2/C2. (For the purposes of calculating the gravitational
force between a planet and an object on its surface, the distance ris the
radius of the planet.)
Planetary body
Mass, kg
Radius, m
Earth
5.97 x 1024
6.37 x 106
Moon
7.35 x 1022
1.74 x 106
Mars
6.42 x 1023
3.39 x 106
Mercury
3.30 x 1023
2.44 x 106
О А. 92.1 N
Ов. 110 N
О С. 254 N
O D. 252 N
Mars has a Known radius of 3390 Km. Somebody threw a baseball at 990 Km/hr and it orbited the planer succesfuly.
a) determine the period of orbit in secords
b) Determine the gravitational field strength on Mars in N/Kg (how can I do that if I don´t have the mass of Mars)
2) For the following questions, start your analyses by considering at least Newton’s Law of Gravitation, centripetal acceleration, Kepler’s law or Energy Conservation. Take the Gravitational constant to be
a) From Earth we can measure the radius of Mars using our telescopes. An estimate for it is By sending an exploratory robot to Mars, we determined the acceleration due to gravity on its surface as 3.73 m/s2. Estimate the mass of Mars.
b) The Earth revolves around the Sun once a year at a distance of . Estimate the mass of the Sun.
c) A rocket is launched straight up from Earth’s surface at 2100 m/s. By ignoring air resistance, determine the maximum height it reaches?
Chapter 2 Solutions
Inquiry into Physics
Ch. 2 - Give three important “laws” that characterize...Ch. 2 - Describe the adhesion model of friction.Ch. 2 - Prob. 1MACh. 2 - Name a key invention that Newton contributed to...Ch. 2 - What important mathematical “tool” did Newton...Ch. 2 - Reread Section 2.7 on the law of universal...Ch. 2 - In this chapter, you've encountered a large number...Ch. 2 - (Indicates a review question. which means it...Ch. 2 - Prob. 2QCh. 2 - (Indicates a review question, which means it...
Ch. 2 - (Indicates a review question. which means it...Ch. 2 - Prob. 5QCh. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - Prob. 14QCh. 2 - Prob. 15QCh. 2 - Prob. 16QCh. 2 - (Indicates a review question. which means it...Ch. 2 - Prob. 18QCh. 2 - Prob. 19QCh. 2 - Prob. 20QCh. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - Prob. 25QCh. 2 - Prob. 26QCh. 2 - Prob. 27QCh. 2 - (Indicates a review question, which means it...Ch. 2 - Prob. 29QCh. 2 - (Indicates a review question. which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - (Indicates a review question, which means it...Ch. 2 - Express your weight in newtons. From this...Ch. 2 - A child weighs 300 N. What is the child’s mass in...Ch. 2 - Suppose au airline allows a maximum of 30 kg for...Ch. 2 - The mass of a certain elephant is 1,130 kg. (a)...Ch. 2 - The mass of a subway car and passenger is 40,000...Ch. 2 - A motorcycle and rider have a total mass equal to...Ch. 2 - As a 2-kg ball rolls down a ramp, the net force on...Ch. 2 - In an experiment performed in a space station, a...Ch. 2 - The engines in a supertanker carrying crude oil...Ch. 2 - . The Kingda Ka roller coaster in New Jersey is...Ch. 2 - . A person stands on a scale inside an elevator at...Ch. 2 - . A jet aircraft with a mass of 4,500 kg has an...Ch. 2 - . At the end of Section 1.4, we mentioned that the...Ch. 2 - . A sprinter with a mass of 80 kg accelerates...Ch. 2 - . As a baseball is being caught, its speed goes...Ch. 2 - . On aircraft carriers, catapults are used to...Ch. 2 - . At the end of an amusement park ride, it is...Ch. 2 - . An airplane is built to withstand a maximum...Ch. 2 - . Under certain conditions, the human body can...Ch. 2 - . A race car rounds a curve at 60 m/s. The radius...Ch. 2 - . A hang glider and its pilot have a total mass...Ch. 2 - . A 0.1-kg ball is attached to a string and...Ch. 2 - On a highway curve with radius 50 m, the maximum...Ch. 2 - . A centripetal force of 200 N acts on a 1,000-kg...Ch. 2 - . As a spacecraft approaches a planet, the rocket...Ch. 2 - . A space probe is launched from Earth headed for...Ch. 2 - . A hand exerciser utilizes a coiled spring. A...Ch. 2 - . A mass of 0.75 kg is attached to a relaxed...Ch. 2 - The force on a baseball as with a bat can be more...Ch. 2 - Two forces, one equal to 15 N and another equal to...Ch. 2 - Why does banking a curve on a highway allow a...Ch. 2 - As a horse and wagon are accelerating From rest,...Ch. 2 - Prob. 5CCh. 2 - Perhaps you’ve noticed that the rockets used to...Ch. 2 - Prob. 7CCh. 2 - Prob. 8CCh. 2 - Prob. 9CCh. 2 - Prob. 10C
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