A Hooke's law spring is compressed a distance d and is used to launch a particle of mass m vertically to a height h above its starting position. Under double the compression, the spring is now used to launch a particle of mass 2 m. How high does the second mass rise above its starting position?
a. h
c. 3h
b. 2h
d. 4h
Question 2
The laws of thermodynamics can be related to the following: (i) the measurement of temperature, (ii) the lowest temperature possible, (iii) conservation of energy, and (iv) only part of heat energy available may be turned into work. Which of these involve the first and second law?
a. (i) and (ii)
c. (i) and (iii)
b. (ii) and (iv)
d. (iii) and (iv)
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