A fancy sports car passes Big Ben at a speed of 0.600c. What time interval will the driver measure for a one-second interval on the large clock?
A. 1.67 s
B. 0.800 s
C. 1.25 s
D. 0.600 s
E. 1.00 s
Answer: C
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Double-Slit Interference: A double slit that is illuminated with coherent light of wavelength 644 nm produces a pattern of bright and dark fringes on a screen 6.00 cm from the slits. If the slits are 2783 nm apart, what is the distance on the screen between the 4th and the 2nd bright fringes on one side of the central maximum?
A. 23.0 cm B. 17.6 cm C. 11.5 cm D. 3.13 cm E. 14.7 cm
The Earth is closest to the Sun in which month of the year?
July June March January
Earth's atmosphere resulted from the impact of icy planetesimals that originated in the outer regions of the Solar System
Indicate whether the statement is true or false
Of the various wavelengths emitted from a hydrogen gas discharge tube, those associated with transitions from higher levels down to the n = 2 level produce which of the following?
a. visible c. ultraviolet b. infrared d. a mixture of visible and ultraviolet