The orbits of many extrasolar planets detected to date are
A) parabolic
B) highly elliptical
C) perfectly circular
D) slightly elliptical
B
Physics & Space Science
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An electron moving from the negative terminal to the positive terminal of a 12. volt battery gains (or loses) how much energy? (Be sure to indicate whether it is a gain or loss.)
What will be an ideal response?
Physics & Space Science
Escape speed for a rocket is greatest from
A) Earth. B) the Moon. C) the Sun. D) same for each
Physics & Space Science
If an all electric house uses 2400 kWh in a month, what will the amount of the bill for electricity be at a rate of 9.5 cents per kWh?
A) $23 B) $2280 C) $228 D) $25,300 E) $11.50
Physics & Space Science
The proper motion of a star, its distance, and Doppler shift can give us its space velocity
Indicate whether the statement is true or false
Physics & Space Science