A proton and a deuteron are moving with equal velocities perpendicular to a uniform magnetic field. A deuteron has the same charge as the proton but has twice its mass. The ratio of the acceleration of the deuteron to that of the proton is:
a. 1.
b. 2.
c. 0.5.
d. There is no acceleration in this case.
C
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Velocity Addition: A spaceship approaching an asteroid at a speed of 0.60c launches a scout rocket with speed 0.40c relative to the spaceship. At what speed is the scout rocket approaching the asteroid?
A. 0.81c B. 1.0c C. 0.76c D. 0.64c E. 0.96c
The graph in the figure shows the electric field strength (not the field lines) as a function of distance from the center for a pair of concentric uniformly charged spheres
Which of the following situations could the graph plausibly represent? (There may be more than one correct choice.) A) a positively charged conducting sphere within another positively charged conducting sphere B) a positively charged conducting sphere within an uncharged conducting sphere C) a solid nonconducting sphere, uniformly charged throughout its volume, inside of a positively charged conducting sphere D) a positively charged nonconducting thin-walled spherical shell inside of a positively charged conducting sphere E) a positively charged nonconducting thin-walled spherical shell inside of another positively charged nonconducting thin-walled spherical shell
What is the theoretical efficiency of a Carnot engine that operates between 600 K and 300 K?
A) 100% B) 75% C) 25% D) 50% E) 0%
The sharply defined boundary that separates the crust from the mantle is called the ______________
Fill in the blank(s) with correct word