The slow, particle-by-particle movement of weathered debris down a slope is called
a. an avalanche.
b. a landslide.
c. slump.
d. creep.
d
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When an object is moving in simple harmonic motion, which of the following is at a minimum when the displacement from equilibrium is zero?
a. the magnitude of the velocity b. the magnitude of the acceleration c. the kinetic energy d. the total mechanical energy
If different filters are used with an astronomical telescope, which of the following would give the best resolution?
a. red c. green b. blue d. All yield the same resolution.
A racecar driver steps on the gas, and his racecar travels 20 meters in 2 seconds starting from rest. The acceleration of the racecar is __________
Fill in the blank(s) with correct word
For large mass number nuclei which are stable, the ratio of protons to neutrons is
a. equal to 1 b. greater than 1 c. less than 1 d. unrelated to the stability of nuclei e. almost 2 to 1