Baryon number is conserved in all interactions
a. True
b. False
Indicate whether the statement is true or false
True
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Power: A device with a resistance of 200.0 k? is connected to a 10.0-V battery. How much power does the device use?
A. 0.50 mW B. 20,000 kW C. 0.050 mW D. 2000 kW
Each of the following lists two statements. Which two are the basic premises for the special theory of relativity?
A) (1) The laws of nature are the same for everyone. (2) The speed of light is the same for everyone. B) (1) The laws of nature are relative. (2) The speed of light depends on your viewpoint. C) (1) You can't go faster than the speed of light. (2) Time is different for different people. D) (1) Everything is relative. (2) You can never really tell who is moving.
Which of the following are the units of a henry and a farad, respectively?
A. J ? s2/C2 and C2/J B. V ? s/A and V/C C. V/(A ? s) and C/V D. N ? m/A2 and 1/J E. None of the above
The large reflector, the 10 m Keck, gathers ________ light than the 1.0 m Yerkes refractor
A) 10 times less B) 10 times more C) 100 times more D) 100 times less E) an equal amount of