The ________ of a pendulum is the amount of time the pendulum takes for one full swing.
Fill in the blank(s) with the appropriate word(s).
period
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The reason that you do not observe a Doppler shift when you listen to the car radio while driving is that
A) the source and observer are moving at the same speed. B) the air inside the car is moving at the same speed as the car. C) the speed of the car is too slow compared to the speed of sound. D) the speed of the car is too fast compared to the speed of sound. E) there is a Doppler shift but we don't notice it.
The first displacement is 7 m and the second displacement is 3 m. They cannot add together to give a total displacement of:
a. 10 m. c. 4 m. b. 7 m. d. 3 m.
Earth pulls on the Moon. Similarly the Moon pulls on Earth, evidence that
A) Earth and Moon pull on each other. B) Earth's and Moon's pulls comprise an action-reaction pair. C) both of the above D) none of the above
Carnot Engine: A heat engine having the maximum possible efficiency has an efficiency of 35.0% when operating between two heat reservoirs. If the temperature of the hot reservoir is 700 K, what is the temperature of the cold reservoir?
A. 200 K B. 245 K C. 350 K D. 455 K E. 600 K