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
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Two identical circuits have a capacitor in series with a resistor. In circuit A, the resistor has resistance R, while in circuit B, its resistance is 4R. The capacitors are identical. Each capacitor begins fully charged, and each circuit is open. When each circuit is connected (i.e. the switch in them is closed) the capacitor will fully discharge. If a time t is required for circuit A’s capacitor to fully discharge, what time will be required for circuit B’s capacitor to do the same?
A. 4t B. 0.5t C. 0.25t D. t E. 2t
When a carboxylic acid reacts with an amine, the products are water and a(n)
a. aldehyde. b. ester. c. amide. d. salt. e. ketone.
What is the temperature of 3.00 moles of an ideal gas at a pressure of 250 kPa held in a volume of 25.0 L?
A) 509 K B) 90.5 K C) 752 K D) 272 K E) 251 K
Hybrid vehicles run on
A. electric and solar power B. solar power and gasoline C. electric power and gasoline D. nuclear power and gasoline