Consider the current-carrying loop shown below. The magnetic field is vertical, but we are holding the loop so it is tilted at an angle ? with respect to the horizontal, with its back leg (leg 3) higher than its front leg (leg 1). If we release the loop, which way will it turn around its axle?
A. Clockwise
B. Counterclockwise
C. The loop is not affected by the magnetic field.
A. Clockwise
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A small planet having a radius of 1000 km exerts a gravitational force of 100 N on an object that is 500 km above its surface. If this object is moved 500 km farther from the planet, the gravitational force on it will be closest to
A) 75 N. B) 71 N. C) 56 N. D) 50 N. E) 25 N.
The Moon probably formed at the same time that Earth formed, rather like the formation of a double planet
Indicate whether the statement is true or false
A certain car can accelerate from 0 to 100 km/hr in 6.0 seconds. What is the average acceleration of that car in m/s2?
What will be an ideal response?
If you double the energy content of a kilogram of gas, the temperature of the gas
A. is unchanged B. increases by the square-root of 2 C. doubles D. is multiplied by 4