According to Einstein's theory of general relativity, a ray of light bends in an accelerated frame of reference
Indicate whether the statement is true or false
TRUE
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A 2.00-g bullet traveling at 700 m/s hits and becomes embedded in a stationary 5.00-kg wood block. What is the speed of the block immediately after the bullet has stopped moving relative to the block?
What will be an ideal response?
Two strings both vibrate at exactly 819 Hz. The tension in one of them is then increased slightly. As a result, six beats per second are heard when both strings vibrate. What is the new frequency of the string that was tightened?
A) 825 Hz B) 813 Hz C) 822 Hz D) 816 Hz
A jar filled with gas is placed directly in front of a second jar filled with gas. Using a spectroscope to look at one jar through the other you observe dark spectral lines. The jar closest to you contains
A) gas at the same temperature as the other jar. B) the hotter gas. C) gas at very high pressure. D) the cooler gas. E) the exact same gas as the other jar.
If two mirrors are at a right (90°) angle to one another and an object is placed between them:
a. only one of them reflects the object; the other one only reflects reflections of the object. b. there is only a single image of the object in each mirror. c. they both show the exact same thing. d. they each show exactly three reflections. e. they each show an infinite series of reflections.