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
Gorillas moving in habitat
These adolescents have just graduated and look forward to moving on from high school and adolesence
The anatomical position: standing erect, gazing straight ahead, arms down at sides, palms facing for
Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
Explaining “Moving Continents”— The Theory of Plate Tectonics