Arguably, the most important weathering agent is
What will be an ideal response?
Water
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Exclusion Principle: The electron spin quantum number can have values of
A. -1/2, -1, 0, +1, +1/2. B. -1/2, -1, +1, +1/2. C. -1/2, 0, +1/2. D. -1/2, +1/2. E. only +1/2.
Three long, straight, parallel wires each carry a current of 10 A in the positive x direction. If the distance between each wire and the other two is 10 cm, what is the magnitude of the magnetic force on a 20-cm length of either of the wires?
A. 57 ?N B. 40 ?N C. 69 ?N D. 50 ?N E. 20 ?N
What is the maximum kinetic energy of a 2.00-kg mass moving with simple harmonic motion with an amplitude 5.00 cm and period 0.300 s?
A) 1.10 J B) 0.444 J C) 0.222 J D) 0.174 J E) 0.0278 J
A pole-vaulter clears 5.00 m. With what speed does he strike the mat in the landing area?
a. 2.70 m/s c. 10.8 m/s b. 9.90 m/s d. 21.6 m/s