What is the exosphere?
A) the lowest layer in the atmosphere
B) the part of the atmosphere that absorbs optical light
C) the part of the atmosphere that absorbs ultraviolet
D) the part of the atmosphere in which the greenhouse effect is strongest
E) the outermost, very low-density region of the atmosphere
E) the outermost, very low-density region of the atmosphere
You might also like to view...
In the above cartoon image of Orion, where would you find the Orion nebula?
a. below the belt (i.e., three white stars) but above the lower right blue and lower left white stars
b. above the belt (i.e., three white stars) but below the upper red and the upper white stars
c. in the belt, that is, among the three white stars
d. outside the white lines
A student has made the statement that the electric flux through one half of a Gaussian surface is always equal to the flux through the other half of the Gaussian surface. This is
A. never true. B. never false. C. true whenever enclosed charge is symmetrically located at a center point, on a center line, or on a centrally placed plane. D. true whenever no charge is enclosed within the Gaussian surface. E. true only when no charge is enclosed within the Gaussian surface.
A 900-kg car traveling east at 15.0 m/s suddenly collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together after the collision. What is the speed of the wreckage just after the collision?
A) 6.10 m/s B) 12.2 m/s C) 25.0 m/s D) 35.0 m/s E) 17.3 m/s
An 10.0-W resistor is dissipating 100 watts. What are the current through it and the difference of potential across it?
a. 31.6 A, 3.16 V c. 3.16 A, 31.6 V b. 10.0 A, 3.16 V d. 3.16 A, 10.0 V