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
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.
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.