Which potatoes when peeled produce the most peelings?
A) 10 kg of large potatoes
B) 10 kg of small potatoes
C) both the same
Answer: B
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A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. How long does it take it to travel 11.43 cm?
A) 3.53 s B) 0.882 s C) 1.13 s D) 1.76 s E) 2.65 s
The temperature of a quantity of an ideal gas is
a. one measure of its ability to transfer thermal energy to another body. b. proportional to the average molecular kinetic energy of the molecules. c. proportional to the internal energy of the gas. d. correctly described by all the statements above. e. correctly described only by (a) and (b) above.
The elliptical galaxies are most like what part of our Milky Way? Explain
What will be an ideal response?
Essentially, the first law of thermodynamics says that:
a. one form of energy cannot be converted into another b. entropy is increasing in the universe c. energy can be neither created nor destroyed d. energy cannot be converted into matter or matter into energy e. energy is the capacity to do work