Uranus and Neptune both rotate ________ than the Earth does
Fill in the blank(s) with correct word
faster
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51 Pegasi is important because
a. it is a pulsar with planets orbiting around it. b. it is a star with a planet that is known to support intelligent life. c. it is the largest satellite of Jupiter. d. it is the largest known asteroid. e. it is the first star like our Sun that was found to have a planet orbiting it.
Reactance: A simple ac circuit consists of an inductor connected across the terminals of an ac power source. If the frequency of the ac source is decreased by a factor of four, what happens to the reactance of the inductor?
A. It decreases by a factor of four. B. It decreases by a factor of eight. C. It increases by a factor of two. D. It increases by a factor of four. E. It increases by a factor of eight.
Exhibit 4-2
Newton approximated motion in a circle as a series of linear motions, as in the polygon below.
Assume that the particle moves at constant speed vA from A to B, and at constant speed vB from B to C.
Use this exhibit to answer the following question(s).
Refer to Exhibit 4-2. The direction of the change in velocity,
, at point B, is shown by the arrow ina.
Physics & Space Science
Objects A and B, of mass M and 2M respectively, are each pushed a distance d straight up an inclined plane by a force F parallel to the plane. The coefficient of kinetic friction between each mass and the plane has the same value mk. At the highest point,
a. KA > KB. b. KA = KB. c. KA < KB. d. The work done by F on A is greater than the work done by F on B. e. The work done by F on A is less than the work done by F on B.