A student adds two displacement vectors that have the magnitudes of 12.0 m and 5.0 m. What is the range of possible answers for the magnitude of the resultant vector?
What will be an ideal response?
between 7.0 m and 17.0 m
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Stand a broom upright on the end of its pole and let it topple to the floor. Repeat, but with the bristles end on the floor. The faster fall will be the broom standing on its
A) pole-end. B) bristles-end. C) the same either way.
When a change occurs in the magnetic field in a closed loop of wire
A) a voltage is induced in the wire. B) a current is created in the loop of wire. C) electromagnetic induction occurs. D) all of the above E) none of the above
Jane swims the length of a 40. meter pool in 10. seconds and immediately swims back to the starting position in another 15. seconds. What was her average velocity?
What will be an ideal response?
Aristotle's "continuous" model of matter was proved wrong about 1807 by
a. Bohr. b. Thomson. c. Dalton. d. Rutherford.