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

Physics & Space Science

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The sharply defined boundary that separates the crust from the mantle is called the ______________

Fill in the blank(s) with correct word

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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

Physics & Space Science

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%

Physics & Space Science

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

Physics & Space Science