When a cold front advances under a warm front, this results in a(n)
a. stationary front.
b. anticyclone.
c. cold front occlusion.
d. warm front occlusion.
c
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As frequency is varied in an RLC series circuit, resonance is reached when
A. the impedance becomes zero. B. the inductive reactance is equal to the capacitive reactance. C. the sum of the inductive and capacitive reactances is equal to the resistance. D. the capacitive reactance is equal to the resistance. E. the inductive reactance is equal to the resistance.
A 0.250-kg rubber ball is dropped from a height of 2.00 m. It hits the floor and rebounds to a height of 1.80 m. What is the magnitude of impulse the floor applies to the ball?
A) 0.950 N?s B) 1.14 N?s C) 0.0804 N?s D) 1.33 N?s E) 3.05 N?s
The acceleration of a ball as it rolls down a ramp is 4 m/s2 . The ball is referred to 2 s after it starts to roll. The velocity acquired after starting from rest is 8 m/s
Indicate whether the statement is true or false
Two cars are traveling down the highway in the same direction. Car A is traveling at 30.0 m/s and car B is passing car A at a relative speed of 3.0 m/s. Using Galilean relativity to calculate the speed of car B relative to the highway results in an answer incorrect by how many m/s?
a. 
b. 
c. 
d. 
e. 