A student adds two displacement vectors that have the magnitudes of 14.0 m and 6.0 m. What is the range of possible answers for the magnitude of the resultant vector?
What will be an ideal response?
between 8.0 m and 20.0 m
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One of the first tests of the general theory of relativity was the ____
a. description of the orbit of the moon b. determination of the speed of light as a constant c. change in mass of a particle moving at a high speed d. demonstration of a hammer and a feather falling at the same rate on the moon e. determination of the rate of advance of the perihelion of Mercury's orbit
Acceleration: The velocity v(t) of a particle as a function of time is given by v(t) = (2.3 m/s) + (4.1 m/s2)t - (6.2 m/s3)t2. What is the average acceleration of the particle between t = 1.0 s and t = 2.0 s?
A. -13 m/s2 B. -15 m/s2 C. 13 m/s2 D. 15 m/s2 E. 0 m/s2
Determine R when I = 0.20 A and ? = 18 V
a.
50 ?
b.
8.0 ?
c.
10 ?
d.
20 ?
e.
30 ?
The sun is on the celestial equator at the times of the
a. vernal equinox and the summer solstice. b. autumnal equinox and the vernal equinox. c. summer solstice and the winter solstice. d. autumnal equinox and the winter solstice. e. sun is on the ecliptic and is never on the celestial equator.