An object oscillates such that its position x as a function of time t obeys the equation x = (0.222 m) sin(314 s-1 t), where t is in seconds
(a) In one period, what total distance does the object move?
(b) What is the frequency of the motion?
(c) What is the position of the object when t = 1.00 s?
(a) 0.888 m (b) 50.0 Hz (c) -0.0352 m
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Impulse: A 0.140-kg baseball is thrown with a velocity of 27.1 m/s. It is struck by the bat with an average force of 5000 N, which results in a velocity of 37.0 m/s in the opposite direction from the original velocity. How long were the bat and ball in contact?
A. 1.79 × 10-3 s B. 1.28 × 10-2 s C. 3.07 × 10-2 s D. 4.30 × 10-3 s
What evidence supports the contention that the strong nuclear force is stronger than the electrical interaction at short inter-nuclear distances?
A) Protons are able to exist side-by-side within an atomic nucleus. B) Neutrons spontaneously decay into protons and electrons. C) Uranium deposits are always slightly warmer than their immediate surroundings. D) The radio interference that arises adjacent to any radioactive source.
A mineral that has a vitreous luster looks
a. glassy. b. metallic. c. earthy. d. pearly.
An object's ______________would be the same on Earth and on the Moon, but its weight would be different
Fill in the blank(s) with correct word