Suppose that a batter hits a foul ball almost exactly vertically in the air. As the ball rises, the magnitude of the torque that the gravitational interaction exerts on the ball around the pitcher:
A. Increases
B. Decreases
C. Remains roughly constant
C. Remains roughly constant
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A current carrying loop of wire lies flat on a table top. When viewed from above, the current moves around the loop in a counterclockwise sense. (a) For points OUTSIDE the loop, the magnetic field caused by this current A
circles the loop in a clockwise direction. B) circles the loop in a counterclockwise direction. C) points straight up. D) points straight down. E) is zero. (b) For points INSIDE the loop, the magnetic field caused by this current A. circles the loop in a clockwise direction. B) circles the loop in a counterclockwise direction. C) points straight up. D) points straight down. E) is zero.
What are the standard time and date (time of day and day of month) in Kyoto, Japan (135°E, 35°N), when it is 11 A.M. EST on March 10 in Washington, D.C. (39°N, 77°W)?
At what temperature in Fahrenheit does water boil?
A. 32 degrees F; B. 100 degrees F; C. 212 degrees F; D. 261 degrees F
What is the cause of a magnetic field about a permanent magnet and about a current-carrying wire?
What will be an ideal response?