Two space stations are at rest relative to each other and are 6.0 × 107 m apart, as measured by observers on the stations
A spaceship traveling from one station to the other at 0.90c relative to the stations passes both of them, one after the other. As measured by an observer in the spaceship, how long does it take to travel from one station to the other? (c = 3.00 × 108 m/s)
A) 97 ms B) 510 ms C) 39 ms D) 220 ms E) 58 ms
A
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What is the magnetic field at the center of a circular loop of wire of radius 4.0 cm when a current of 2.0 A flows in the wire?
A) 1.3 × 10-6 T B) 3.1 × 10-6 T C) 1.3 × 10-5 T D) 3.1 × 10-5 T E) 0 T
Celestial latitude is called
a. declination. b. right ascension. c. the parsec value. d. the zenith angle.
If h = Planck's constant, the de Broglie wavelength of a particle of linear momentum p and kinetic energy KE is given by which of the following formulas?
A. p/h B. KE/h C. h/KE D. h/p E. h.p
The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass. An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water. The change in length of the ordinary glass rod will be 3 times the change in length of the Pyrex glass rod
Indicate whether the statement is true or false