The larger the parallax shift, the closer an object is to us
Indicate whether the statement is true or false
TRUE
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What is this object?
A) Jupiter's moon Europa B) Saturn's moon Titan C) Uranus's moon Miranda D) Neptune's moon Triton E) Jupiter's moon Callisto
Kepler's Third, or harmonic, law states that the
A. semi-major axis of an orbit is inversely proportional to the period. B. planets move fastest when they are closest to the Sun. C. period of an orbit cubed equals the semi-major axis squared. D. semi-major axis of an orbit cubed equals the period squared.
How much energy is stored in a room 3.0 m by 4.0 m by 2.4 m due to the earth's magnetic field with a strength of 5.0 × 10-5 T? (?0 = 4? × 10-7 T ? m/A)
A) 575 mJ. B) 570 mJ. C) 29 mJ. D) 100 mJ. E) 10 mJ.
By operating a reversible heat engine with an ideal gas as the working substance in a Carnot cycle and measuring the ratio Qc/Qh, we can calculate
a. n, the number of moles of the ideal gas. b. the ratio Vc/Vh of the volumes of the ideal gas. c. the ratio Pc/Ph of the pressures of the ideal gas. d. the ratio PcVc/PhVh of the products of volumes and pressures of the ideal gas. e. the value of Avogadro's number.