A conducting rod (length = 2.0 m) spins at a constant rate of 2.0 revolutions per second about an axis that is perpendicular to the rod and through its center. A uniform magnetic field (magnitude = 8.0 mT) is directed perpendicularly to the plane of rotation. What is the magnitude of the potential difference between the center of the rod and either of its ends?
a. 16 mV
b. 50 mV
c. 8.0 mV
d. 0.10 mV
e. 100 mV
b
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The cosmological redshifts of galaxies are Doppler shifts
a. True b. False Indicate whether the statement is true or false
A 1200 kg car is moving at 5.0 m/s EAST. It strikes an 1800 kg car at rest. The cars have an elastic collision and move in the EAST or WEST direction. The velocity of the 1200 kg car after the collision is
A. 4.0 m /s EAST. B. 1.0 m/s EAST. C. 4.0 m/s WEST. D. 1.0 m/s WEST. E. 3.00 m/s EAST.
A possible spike in the number of impacts in the inner solar system about 4 billion years ago may have mostly likely been due to
A) the passage of another star close to the Sun B) planetary migration caused by the shifting of the orbits of the Jovian planets C) the giant collision that formed the Moon D) the breakup a planet to form the asteroid belt
If a hydrocarbon is not aliphatic, it is ______________
Fill in the blank(s) with correct word