How are the large amounts of heating at Io generated?
What will be an ideal response?
Io's elliptical orbit causes variations in the gravitation pull of Jupiter and Europe. The changing force of gravity causes tidal stressing on Io's interior by Jupiter and Europa, heating the moon.
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The ________ theory was based on the assumption that the universe was eternal and unchanging
a. inflationary b. accelerating c. steady-state d. big bang
At a distance of 10 km from a radio transmitter, the amplitude of the E field is 0.20 volts/meter. What is the total power emitted by the radio transmitter?
a. 10 kW b. 67 kW c. 140 kW d. 245 kW e. 21 kW
A disturbance in particle motion perpendicular to the wave velocity is called a
a. transverse wave. b. acoustic wave. c. standing wave. d. longitudinal wave.
A deuteron is accelerated from rest through a 10-kV potential difference and then moves perpendicularly to a uniform magnetic field with B = 1.6 T. What is the radius of the resulting circular path? (deuteron: m = 3.3 × 10^?27 kg, q = 1.6 × 10^?19 C)
a. 19 mm b. 13 mm c. 20 mm d. 10 mm e. 9.0 mm