The type of nuclear reaction taking place in stars is
a. cold fusion. b. fusion.
c. fission. d. beta decay.
b
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A resistor is made of a material that has a resistivity that is proportional to the current going through it. If the voltage across the resistor is doubled, what happens to the current through it?
a. It doubles. b. It quadruples. c. It increases by a factor of 23/2. d. It increases by a factor of 21/2.
The kinetic coefficient of friction is usually larger than the static coefficient of friction
Indicate whether the statement is true or false
In a double-slit experiment, when both interference and diffraction are taken into account, which is the lowest order maximum that is missing in the case where the slit separations is 0.020 mm and the slit widths are each 0.005 mm?
A. 1 B. 2 C. 3 D. 4 E. no order is missing
Which of the following has the highest specific heat?
a. ice b. water c. steam d. They are all water, so they all have the same specific heat.