A constant pressure gas thermometer is initially at 28.°C. If the volume of gas increases by 10%, what is the final Celsius temperature?
What will be an ideal response?
58°C
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A thin metallic shell of radius 40 cm has a charge of -25 nC on it. At the center of the sphere is a point charge of 35 nC. What is the electric field 50 cm from the center of the shell?
A. 400 N/C outward B. 560 N/C outward C. 360 N/C outward D. 360 N/C inward E. 560 N/C inward
Where did the Apollo 15 lunar module land and sample?
a. Taurus-Littrow region b. Oceanus Procellarum c. Mare Tranquillitatis d. Hadley Rille e. Descartes region
Peak values for a neodymium-glass laser are 600 J for 1.00 nanosecond. If the cross-section of the laser beam is 1.10 cm2, what are the maximum values of E and B? (µ0 = 4? × 10^?7 T?m/A, c = 3.00 × 10^8 m/s)
a. 2.0E+9 V/m, 1.9 T b. 5.7E+8 V/m, 6.8 T c. 2.0E+9 V/m, 6.8 T d. 5.7E+8 V/m, 1.9 T e. Not enough information.
An unusual lightning strike has a vertical portion with a positive current of +400 A upwards. The Earth's magnetic field at that location is parallel to the ground and has a magnitude of 30 ?T. In N, the force exerted by the Earth's magnetic field on the 25-m-long current is
a. 0. b. 0.012 N, East. c. 0.012 N, West. d. 0.30 N, West. e. 300 N, East.