Instructions Determine g for a planet A new planet has been discovered that has a mass eight times that of Earth and a radius that is one-fifth that of Earth. Determine the free fall acceleration on the surface of this planet. Express your answer in the appropriate mks units. 320 m/s Determine the mass of a star

Instructions Determine g for a planet A new planet has been discovered that has a mass eight times that of Earth and a radius that is one-fifth that of Earth. Determine the free fall acceleration on the surface of this planet. Express your answer in the appropriate mks units. 320 m/s Determine the mass of a star

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter7: Gravitation

Section: Chapter Questions

Problem 62A

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M. 00 F. %24 D. %23 HP TrueVision HD Pavi Se th Site w Technical A AN Careers Mail - boss Texas Work MOe Homework A College X C O 8 https://www.webassign.net/web/Student/Assignment-Responses/last?dep3D28680740 不。 CTN LIAL The International Space Station has a mass of 4.19 x 105 kg and orbits at a radius of 6.79 x 106 m from the center of Earth. Find the gravitational force exerted by Earth on the space station, the space station's gravitational potential energy, and the weight of a 71.4 kg astronaut living inside the station. HINT (a) the gravitational force (in N) exerted by Earth on the space station (Enter the magnitude.) N (b) the space station's gravitational potential energy (in J) (c) the weight (in N) of an 71.4 kg astronaut living inside the station Need Help? Watch It Read It MY NOTES ASK YOUR TEACHER PREVIOUS ANSWERS SERCP11 7.5.P.039. 8. [2/2 Points] DETAILS dp AMIN g ong Pva ladurial A 732006020610 ADVANCED AUD insert Oly f5 114 米 $ ヤ % 6 #3 9. %3D K. pa B. 目

Solve and explain. What is the mass of the sun using the period of the Earth which is 365 days and its distance from the sun of 147.38 million km?
econds squared, Ol 72. n divide out and T = VT². The factor 2T has no units so a in the analysis. 10. The period of rotation of the Sun is 2.125 x 10° seconds. This is equivalent to 2.125 (3) Ms (1) us (2) ms (4) Ts 11. Human hair grows at the rate of 3 nanometers per second. This rate is equivalent to (1) 3 x 10-3 m/s (2) 3 x 10-6 m/s (3) 3 x 10-9 m/s (4) 3 x 10-12 m/s 12. The wavelength of red light is 7 x 10-7 meter. Express this value in nanometers. 13. If m represents mass in kg, v represents speed in m/s, and r represents radius in m, show that the force F in the formula F = in the unit kg m/s?. mv? can be expressed 14. If PE, represents the potential energy stored in a spring in kg m2/s², and x represents the change in spring length from its equilibrium position in m, what is the unit for the spring constant k in the formula PE, = }kx?
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Solve the following problems. 000 1. Assume that Earth's orbit around the sun is circular, and that the radius of Earth's orbit is about 1.50 x 10" km. Earth completes a full revolution around the sun in 365 days. a. Calculate the tangential velocity of Earth in km/s (you have to convert days to seconds first). b. Calculate the acceleration of Earth towards the sun in m/s (you have to convert days to seconds and km to m first). 2. A certain Ferris wheel with radius 14.0 m is turning at speeds of 7.00 m/s at its farthest point. a. What is the acceleration experienced by a car attached to the rim of the Ferris wheel? b. How long does it take for the Ferris wheel to complete one full revolution?
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B. Answer the following problems. Show your complete solutions. 1. If a stone is thrown vertically upward from the surface of the moon with a velocity of 10 meters per second (m/s), its height (in m) after t seconds (s) is h = 10t - 0.83F. a. What is the velocity of the stone after 3 s? b. What is the velocity of the stone if it has risen by 25 m? 2. A spherical balloon is being inflated. Find the rate of increase if the surface area (S = 4tr²) with respect to the radius r are the following: a. 0.3 m b. 0.61 m C. 0.91 m Differentiation and Integration