The magnetic field at a distance of 2 cm from a current carrying wire is 4 ?T. What is the magnetic field at a distance of 1 cm from the wire?
A) 2 ?T
B) 4 ?T
C) 6 ?T
D) 8 ?T
E) 10 ?T
D
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Organisms designated as producers usually obtain their energy from:
a. other producers b. dead consumers c. decomposers d. the environment e. themselves
Series/Parallel Circuits: For the circuit shown in the figure, the battery is ideal and all quantities are accurate to two significant figures. Find the current through (a) the 1.0-? resistor, (b) the 3.0-? resistor, and (c) the 4.0-? resistor?
What will be an ideal response?
The net force on any object moving at constant velocity is
A) zero. B) 10 meters per second squared. C) equal to its weight. D) about half its weight.
A football kicker is attempting a field goal from 44m out. The ball is kicked and just clears the lower bar with a time of flight of 2.9s If the angle of the kick was 45°, what was the initial speed of the ball, assuming no air resistance?
A) 39 m/s B) 2.2 m/s C) 21.5 m/s D) 19.7 m/s