The electric field shown is produced by a single point charge at the center of the picture
If a new negative point charge is placed at location B directly above the one pictured, the force on it will
a.
be zero.
b.
push it upward.
c.
push it downward.
d.
be in an unknown direction.
c
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a. Io b. Europa c. Callisto d. Ganymede
A hunter points a rifle horizontally and holds it 3.30 m above the ground. The bullet leaves the barrel at 325 m/s and experiences no significant air resistance. The acceleration due to gravity at this location is 9.80 m/s2
(a) How long does it take for the bullet to strike the ground? (b) How far horizontally does it travel?
We are able to define a mechanical equivalent for heat because
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At what speed, relative to the frame of the observer making the measurement, is the length of a meter stick 0.60 m?
A) 0.80c B) 0.60c C) 0.50c D) 0.70c E) 0.90c