A mass of 500 g is resting on a vertical spring with a force constant of 55.0 N/m. A mass of 250 g is dropped from a height of 12.0 cm onto the larger mass and sticks to it. What is the amplitude of the resulting oscillations?
A) 4.71 cm
B) 6.34 cm
C) 9.90 cm
D) 11.4 cm
E) 5.97 cm
E
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What resolving power must a diffraction grating have in order to distinguish wavelengths of 686.30 nm and 687.50 nm? (1 nm = 10?9 m)
a. 343 b. 572 c. 686.9 d. 915 e. 687.5
A cylinder containing an ideal gas has a volume of 3.0 m3 and a pressure of 1.0 × 10^5 Pa at a temperature of 300 K. The cylinder is placed against a metal block that is maintained at 900 K, and the gas expands as the pressure remains constant until the temperature of the gas reaches 900 K. The change in internal energy of the gas is +6.0 × 10^5 J. How much heat did the gas absorb?
a. 0 c. 12 × 10^5 J b. 6.0 × 10^5 J d. 9.0 × 10^5 J
A 2.00-m rod of negligible mass connects two very small objects at its ends. The mass of one object is 1.00 kg and the mass of the other is unknown. The center of mass of this system is on the rod a distance 1.60 m from the 1.00-kg mass object
What is the mass of the other object? A) 4.11 kg B) 3.22 kg C) 4.00 kg D) 0.250 kg E) 0.800 kg
A closed vial of gas is heated with a flame.
C. Consistent D. Inconsistent