Saturn's rings
a. have looked basically the same since they formed along with Saturn.
b. were created long ago when tidal forces tore apart a large moon.
c. are continually supplied with new particles by impacts with small moons.
Answer: c. are continually supplied with new particles by impacts with small moons.
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Simple Harmonic Motion: In simple harmonic motion, when is the speed the greatest? (There could be more than one correct choice.)
A. when the magnitude of the acceleration is a maximum B. when the displacement is a maximum C. when the magnitude of the acceleration is a minimum D. when the potential energy is a maximum E. when the potential energy is a zero
A mortar shell is launched with a velocity of 100 m/s at an angle of 30.0° above horizontal from a point on a cliff 50.0 m above a level plain below. How far from the base of the cliff does the mortar shell strike the ground?
What will be an ideal response?
If a solid disk and a hoop are to have the same mass and rotational inertia, then the hoop must have a ________ radius.
Fill in the blank(s) with the appropriate word(s).
Explain why ships of any weight are balanced on the Falkirk Wheel
What will be an ideal response?