Stars of low luminosity will always have large positive absolute magnitude
a. True
b. False
Indicate whether the statement is true or false
True
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Satellite Motion: The innermost satellite of Jupiter orbits the planet with a radius of 422 × 103 km and a period of 1.77 days. What is the mass of Jupiter? (G = 6.67 × 10-11 N ? m2/kg2)
A. 1.33 × 1027 kg B. 1.50 × 1027 kg C. 1.72 × 1027 kg D. 1.89 × 1027 kg E. 3.08 × 1027 kg
Motional Emf: As shown in the figure, one end of a metal bar is in contact with a circular rail and the other end is pivoted at P. A steady uniform, magnetic field B into the page is present. As the bar rotates about point P in a clockwise direction, the direction of the induced current through the resistor R is
A. from a to b. B. from b to a. C. No current is induced.
Satellite Motion: The International Space Station is orbiting at an altitude of about 370 km above the earth's surface. The mass of the earth is 5.97 × 1024 kg, the radius of the earth is 6.38 × 106 m, and G = 6.67 × 10-11 N ? m2/kg2. Assume a circular orbit.(a) What is the period of the International Space Station's orbit?(b) What is the speed of the International Space Station in its orbit?
What will be an ideal response?
The nucleus of an ordinary hydrogen atom consists of a(n) ______________
Fill in the blank(s) with correct word