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EASY POINTS:Which element is magnetic? calcium chromium carbon cobalt
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What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?
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Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is
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Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
Answers: 3
EASY POINTS:Which element is magnetic? calcium chromium carbon cobalt...
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