The two moons of Mars are known as ____________________ and ____________________
Fill in the blank(s) with correct word
Deimos, Phobos
Phobos, Deimos
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Exhibit 13-1
Two blocks of masses m1 and m2 are connected by a light cord that passes over a pulley of mass M, as shown. Block m2 slides on a frictionless horizontal surface. The blocks and pulley are initially at rest. When m1 is released, the blocks accelerate and the pulley rotates.
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Use this exhibit to answer the following question(s).
Refer to Exhibit 13-1. The total angular momentum of the system of the two blocks and the pulley relative to the axis of rotation of the pulley is
A. the same at all times. B. proportional to l1, the length of string from the pulley to m1. C. proportional to l2, the length of string from the pulley to m2. D. conserved because the Earth doesn't move. E. proportional to the speed of the blocks.
A perfect Carnot engine operates between 350 K and 600 K. The engine delivers 10 kJ of work in each cycle. How much heat is extracted from the 600 K reservoir in one cycle?
A) 34 kJ B) 27 kJ C) 17 kJ D) 21 kJ E) 24 kJ
A ray of white light, incident upon a glass prism, is dispersed into its various color components. Which one of the following colors experiences the greatest angle of deviation?
a. orange b. violet c. red d. green
The atomic number equals the number of protons in a nucleus
a. True b. False Indicate whether the statement is true or false