The spring tides occur during the new and full lunar phases
Indicate whether the statement is true or false
T
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Work-Energy Theorem: A 10-kg dog is running with a speed of 5.0 m/s. What is the minimum work required to stop the dog in 2.40 s?
A. 50 J B. 75 J C. 100 J D. 125 J
Which of the following is not a line of evidence supporting the hypothesis that our Moon formed as a result of a giant impact?
A) The Pacific Ocean appears to be a large crater, probably the one made by the giant impact. B) Computer simulations show that the Moon could really have formed through a giant impact. C) The Moon's average density suggests it is made of rock much more like that of the Earth's outer layers than that of the Earth as a whole. D) The Moon has a much smaller proportion of easily vaporized materials than Earth.
A point charge Q is placed on the x axis at x = ?2.0 m. A second point charge, ?Q, is placed at x = 1.0 m. If Q = 60 ?C, what is the magnitude of the electrostatic force on a 40-?C charge placed at the origin?
a. 16 N b. 27 N c. 32 N d. 11 N e. 3.0 N
In a standing wave, not necessarily at the fundamental frequency, on a string of length L, the distance between nodes is
a. ?/4. b. ?/2. c. ?. d. L/4. e. L/2.