How much energy is stored in the 50-?F capacitor when Va ? Vb = 22V?
a.
0.78 mJ
b.
0.58 mJ
c.
0.68 mJ
d.
0.48 mJ
e.
0.22 mJ
d
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A 8-kg object moves up vertically a distance of 3 m. Its potential energy has changed by approximately how much?
a. It has increased by 24 J. b. It has decreased by 240 J. c. It has decreased by 24 J. d. It has increased by 240 J.
Orphan planets will most likely be found using which method used for finding exoplanets?
A) Doppler B) transit C) microlensing D) astrometric
Of the Galilean moons, the one with striking grooved terrain and icy tectonic features as well as older craters is
A) Amalthea. B) Io. C) Europa. D) Ganymede. E) Callisto.
Ann the Astronaut weighs 65.0 kg. She is space walking outside the space shuttle and pushes a 350.0-kg satellite away from the shuttle at 0.70 m/s. What speed does this give Ann as she moves toward the shuttle?
a. 0.13 m/s b. 3.8 m/s c. 590 m/s d. 290 m/s e. 7.7 m/s