A proton is projected with a velocity of 7.0 km/s into a magnetic field of 0.60 T perpendicular to the motion of the proton. What is the magnitude of the magnetic force that acts on the proton? (e = 1.60 × 10-19 C)
A) 13 × 10-16 N
B) 6.7 × 10-16 N
C) 0 N
D) 3.4 × 10-16 N
E) 4.2 × 10-16 N
B
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In the shear mode II of fracture, the crack propagates _________to the forces that produce the shear stress.
What will be an ideal response?
Scientists believe Saturn's moon Phoebe originated from a ____
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This graph plots planetary mass on the horizontal axis and planetary radius on the vertical axis. Which of the four points marked by one of the bold numbers 1 through 4 represents a planet with the greatest density?
A) Point 1 B) Point 2 C) Point 3 D) Point 4
Why isn't the space within our solar system or the Milky Way expanding according to Hubble's law?
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