A small dense object is suspended from the rear view mirror in a car by a lightweight fiber. As the car is accelerating at 1.90 m/s2, what angle does the string make with the vertical?
11.0 degrees
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Give the Clausius statement of the Second Law of Thermodynamics
What will be an ideal response?
Why does a cloud collapse rapidly at first, and then slow down as the it gets denser?
What will be an ideal response?
If an equivalent amount of work is done in a shorter period of time
A. more power is required B. the same amount of power is required C. less power is required
Which of the following is not a characteristic of the seasons on Mars?
A) Global winds tend to blow from the summer pole toward the winter pole, sometimes initiating global sand storms. B) The polar caps shrink in summer and grow in winter. C) As on Earth, the seasons are caused primarily by axis tilt and orbital distance has virtually no effect. D) The seasons last almost twice as long on Mars as on Earth.