PHYS 212 FOR SCI+ENG W/MAST PHYS >ICP<
1st Edition
ISBN: 9781323834831
Author: Knight
Publisher: PEARSON C
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Chapter 13, Problem 26EAP
Three satellites orbit a planet of radius R, as shown in FIGURE EX13.26. Satellites S1 and S3 have mass m. Satellite S2, has mass 2m. Satellite S1 orbits in 250 minutes and the force on S1 is 10,000 N.
a. What are the periods of S2 and S3?
b. What are the forces on S2 and S3?
c. What is the kinetic-energy ratio K1/K3 for S1 and S3?
FIGURE EXI3.26
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A space shuttle is in a circular orbit 250 km above the surface of the earth. The shuttle’s mass is 75000 kg.
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Mass of earth: ??=?.??×??^??kgRadius of earth: ??=?.??×??^?m?=?.??×??^−???∙?^?/??^?
Three satellites orbit a planet of radius R, as shown in figure
given below.
Satellites S1 and S3 have mass m. Satellite S2 has mass 2m.
Satellite S1 orbits in 250minutes and the force on S1 is10,000 N.
a. What are the periods of S2 and S3?
b. What are the forces on S2 and S3?
c. What is the kinetic-energy ratio K1/K3 for S1 and S3?
R
2m
2R
3R
A space shuttle is in a circular orbit 250 km above the surface of the earth. The shuttle's mass is 75000 kg.
What is the gravitational acceleration of earth at this orbit?
What is the speed of the space shuttle at this orbit?
а.
b.
c If it needs to catch the Hubble Space Telescope for repairs, how much energy is required to boost it to the
new orbit? Assume Hubble space telescope is at 550 km above the surface of earth.
Mass of earth: mp = 5.97 × 1024 kg
Radius of earth: RE = 6. 38 × 106 m
G = 6.67 x 10-11N · m²/kg?
Chapter 13 Solutions
PHYS 212 FOR SCI+ENG W/MAST PHYS >ICP<
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