A positive charge moving up enters a magnetic field pointing out of the screen. What is the direction of the magnetic force on t
he charge?
A) Up
B) Down
C) Right
D) Left
A) Up
B) Down
C) Right
D) Left
2 answers:
According to the right-hand thumb rule, the forefinger gives the velocity of charge, the thumb gives the magnetic force and the center finger gives the direction of magnetic field.
then, as shown in the picture, the <span>direction of the magnetic force on the charge is in the right direction.</span>
then, as shown in the picture, the <span>direction of the magnetic force on the charge is in the right direction.</span>
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Answer:
Terminal velocity of object = 12.58 m/s
Explanation:
We know that the terminal velocity is attained when drag force and gravitational force are of the same magnitude.
Gravitational force = mg = 80 * 9.8 = 784 N
Drag force =
Equating both, we have
So v = 12.58 m/s or v = -15.58 m/s ( not possible)
So terminal velocity of object = 12.58 m/s