12.3 A 400-kg satellite has been placed in a circular orbit 1500 km above the surface of the earth. The acceleration of gravity at this elevation is 6.43 m/s². Determine the linear momentum of the satellite, knowing that its orbital speed is 25.6 x 10³ km/h.
12.3 A 400-kg satellite has been placed in a circular orbit 1500 km above the surface of the earth. The acceleration of gravity at this elevation is 6.43 m/s². Determine the linear momentum of the satellite, knowing that its orbital speed is 25.6 x 10³ km/h.
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12.3
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END-OF-SECTION PROBLEMS
12.1 Astronauts who landed on the moon during the Apollo 15, 16, and
17 missions brought back a large collection of rocks to the earth.
Knowing the rocks weighed 139 lb when they were on the moon,
determine (a) the weight of the rocks on the earth, (b) the mass of
5.30 ft/s².
the rocks in slugs. The acceleration due to gravity on the moon is
12.2 The value of g at any latitude & may be obtained from the formula
8 = 32.09(1 + 0.0053 sin² ft/s²
which takes into account the effect of the rotation of the earth,
as well as the fact that the earth is not truly spherical. Knowing
that the weight of a silver bar has been officially designated as 5 lb,
determine to four significant figures, (a) the mass in slugs, (b) the
weight in pounds at the latitudes of 0°, 45°, and 60°.
12.3 A 400-kg satellite has been placed in a circular orbit 1500 km above
the surface of the earth. The acceleration of gravity at this elevation is
6.43 m/s². Determine the linear momentum of the satellite, knowing
that its orbital speed is 25.6 x 103³ km/h.
CT NOT
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