What is the final temperature of the gas?
a. –123 °C
b. 150 °C
c. 27.6 °C
d. –59.3 °C
a
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The axis of a long hollow metallic cylinder (inner radius = 1.0 cm, outer radius = 2.0 cm) coincides with a long wire. The wire has a linear charge density of ?8.0 pC/m, and the cylinder has a net charge per unit length of ?4.0 pC/m. Determine the magnitude of the electric field 3.0 cm from the axis
a. 5.4 N/C b. 7.2 N/C c. 4.3 N/C d. 3.6 N/C e. 2.4 N/C
Two radio antennas are 130 m apart on a north-south line. The two antennas radiate in phase at a frequency of 3.6 MHz. All radio measurements are made far from the antennas
The smallest angle, reckoned east of north from the antennas, at which constructive interference of two radio waves occurs, is closest to: A) 50° B) 55° C) 45° D) 40° E) 35°
Which of these age ranges best describes the lunar maria?
A) 2.5 - 1.0 billion years B) 100 - 65 million years C) 8.6 - 6.0 billion years D) 3.9 - 3.2 billion years E) a few million years to present lava flows seen erupting
An incompressible fluid is flowing through a vertical pipe with a constriction. The wide section is 2.00 cm in diameter and is at the top of the pipe. The pressure of the fluid in the wide section at the top is 200 kPa. The velocity of the fluid in the wide section is 4.00 m/s. The narrow section is located 8.00 m below the wide section. What is the diameter of the narrow section for the pressure of the fluid in the narrow section to equal the pressure in the wide section? (density of the fluid is 680
A. 1.10 cm B. 1.20 cm C. 1.31 cm D. 1.42 cm E. 1.55 cm