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The period of a satellite circling planet Nutron is observed to be 95 s when it is in a circular orbit with a radius of 7.0 x 10 6 m. What is the mass of planet Nutron? ( G = 6.67 x 10 -11 N · m 2 /kg 2 ) Select the correct answer. 2.2 x 10 28 kg 2.5 x 10 28 kg 1.3 x 10 28 kg
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The period of a satellite circling planet Nutron is observed to be 95 s when it is in a circular orbit with a radius of 7.0 x 106 m. What is the mass of planet Nutron? (G = 6.67 x 10-11 N·m2/kg2) Select the correct answer. • 2.2 x 1028 kg • 2.5 x 1028 kg • 1.3 x 1028 kg • 1.0 x 1028 kg • 3.7 x 1028 kg
A satellite circles planet Roton every 2.9 h in an orbit having a radius of 1.5 x 107m. If the radius of Roton is 4.5 x 106m. what is the magnitude of the free-fall acceleration on the surface of Roton? Select the correct answer. • 60 m/s2 • 73 m/s2 • 27 m/s2 • 32 m/s2 • 35 m/s2
A 50-kg satellite circles planet Cruton every 6.6 h in an orbit with a radius of 11 x 106m. What is the magnitude of the gravitational force on the satellite by planet Cruton? Select the correct answer. • 38 N • 51 N • 77 N • 58 N • 13 N
Two identical planets orbit a star in concentric circular orbits in the star's equatorial plane. Of the two, the planet that is farther from the star must have _____ . Select the correct answer. • the smaller period • the greater period • the smaller gravitational mass • the larger gravitational mass • the larger universal gravitational constant
What is the kinetic energy of a 220-kg satellite as it follows a circular orbit of radius 8.0 x 106 m around the Earth? (Mass of Earth = 6.0 x 1024 kg. G = 6.7 x 10-11 N·m2/kg2) Select the correct answer. • 5.5 x 109J • 6.0 109J • 4.0 1010J • 3.5 x 1010J • 3.0 x 1010J
What is the escape speed from a planet of mass M and radius R if M = 2.2 x 1023 kg and R = 3.4 x 106 m? (G = 6.7 x 10-11 N·m2/kg2) Select the correct answer. • 2.9 km/s • 2.5 km/s • 1.7 km/s • 4.5 km/s • 4.9 km/s