Uniform Circular Motion: The Moon is 3.84 × 108 m from Earth and takes 27.3 days to complete each orbit. What are the magnitude and direction of the acceleration of the Moon, assuming a circular orbit?
What will be an ideal response?
2.72 × 10-3 m/s2, toward Earth
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Once an object strikes Earth's surface, it is called a "meteor"
a. True b. False Indicate whether the statement is true or false
Faraday's Law: The magnetic flux through a coil changes steadily from 4.0 × 10-5 T ? m2 to 5.0 × 10-5 T ? m2 in 0.10 s. What emf is induced in this coil?
A. 5.0 × 10-4 V B. 4.0 × 10-4 V C. 1.0 × 10-4 V D. None of the given answers are correct.
A star with an apparent magnitude of +2.3 and an absolute magnitude of +5.9 lies ________ than 10 parsecs away
Fill in the blank(s) with correct word
A ball is dropped from a rooftop of a building and falls for two seconds. The acceleration of gravity is 9.8 m/s2 . The ball is referred to at the two second time. The distance the ball is below the rooftop in meters is
a. 0 d. 6 b. 4.9 e. none of these c. 9.8