On the surface of which moon of Saturn are liquids observed to exist?
A) Enceladus
B) Mimas
C) Iapetus
D) Titan
D
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Consider a situation where you exert a force F on a crate of mass m, moving it at a speed v a distance d across a floor in a time interval t. The quantity Fd is
a. the kinetic energy of the crate b. the potential energy of the crate c. the linear momentum of the crate d. the work you do on the crate e. the power you supply to the crate
If you draw a spacetime diagram, the worldline of an object that is traveling by you at constant speed is
A) vertical. B) horizontal. C) slanted. D) curved. E) a circle.
The quantity of work equal to one joule is also equivalent to which of the following?
a. watt b. watt /s c. watt / s d. watt /s2
A half-ring (semicircle) of uniformly distributed charge Q has radius R. What is the electric potential at its center?
What will be an ideal response?