Saturn’s many moons affect its rings through
A. tidal forces.
B. orbital resonances.
C. magnetic field interactions.
Ans: B. orbital resonances.
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The position of an object that is oscillating on a spring is given by the equation x = (18.3 cm) cos[(2.35 s-1)t]. What are the (a) frequency, (b) amplitude, and (c) period of this motion?
What will be an ideal response?
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 power you supply to the crate is __________
Fill in the blank(s) with correct word
The planar atom density of the (100) plane of a FCC metal is ______________atoms divided by the square of the lattice parameter.
Fill in the blank(s) with the appropriate word(s).
Boat 1 goes directly across a stream a distance L and back taking a time t1 . Boat 2 goes down stream a distance L and back taking a time t2 . If both boats had the same speed relative to the water, which of the following statements is true?
a. t2 > t1 b. t2 < t1 c. t2 = t1 d. t2 = 2t1 e. t2 = 0.5t1