What error is made calculating the momentum of a particle moving at 0.80 c using classical mechanics rather than relativistic mechanics?
A. less than 1%
B. the classical value is 67% too high
C. the classical value is 67% too low
D. the classical value is 40% too high
E. the classical value is 40% too low
E. the classical value is 40% too low
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Refracting Telescope: Mary builds a simple refracting telescope using two lenses of focal length 80 cm and 5.0 cm. The respective diameters are 60 mm and 10 mm. How many degrees wide does the moon appear through the telescope if it appears only 1/2 degree wide with the "naked eye"?
Fill in the blank(s) with the appropriate word(s).
One product of photosynthesis is
a. hydrogen. b. oxygen. c. carbon dioxide. d. methane.
The hydrogen spectrum has a red line at 656 nm, and a blue line at 434 nm. What is the first order angular separation between the two spectral lines obtained with a diffraction grating with 5000 rulings/cm?
a. 7.7° b. 16.6° c. 6.6° d. 3.2° e. 19.2°
The expression(s) indicating the number of nucleons in a nucleus is
a. A b. N c. Z d. Z + N e. A – Z