The right hand rule for the direction of propagation of the electromagnetic waves is to
A) point the forefinger of your right hand toward E vector, middle finger toward the B vector, and the thumb will represent the propagation.
B) point the middle finger toward the E vector, the forefinger toward the B vector, and the thumb will represent the direction of propagation.
C) point the fingers of your right hand toward the E vector, curl your fingers towards the B vector, and the thumb will point the direction of propagation.
D) point the fingers of your left hand toward the E vector, curl your fingers towards the B vector, and the thumb will point the direction of propagation.
E) None of the other answers is correct.
Question 2
A 0.140-kg baseball is dropped from rest. It has a speed of 1.20 m/s just before it hits the ground. It rebounds with a speed of 1.00 m/s. The ball is in contact with the ground for 0.0140 s.
What is the average force exerted by the ground on the ball during that time? A) 2.00 N upwards
B) 2.00 N downwards
C) 22.0 N upwards
D) 22.0 N downwards
E) 0 N
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