A proton moving eastward with a velocity of 5.0 km/s enters a magnetic field of 0.20 T pointing northward. What are the magnitude and direction of the force that the magnetic field exerts on the proton? (e = 1.60 10-19 C)
A) 0 N
B) 1.6 10-16 N upwards
C) 1.6 10-16 N downwards
D) 1.1 10-16 N eastwards
E) 4.4 10-16 N westwards
Question 2
A cylinder contains 1.50 moles of an ideal monatomic gas that is initially at a temperature of 317 K. If the gas gains 2730 J of heat and performs 780 J of work, what is its final temperature? (R = 8.31 J/mol K)
A) 359 K
B) 421 K
C) 526 K
D) 687 K
E) 756 K
Pupil assessment; B, moving penlight directly in front of pupil.
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