The right hand rule for the direction of propagation of the ...

[chandani]

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

[jjorrostieta]

Answer to Question 1

C

Answer to Question 2

C

[chandani]

TY

[jjorrostieta]

You're welcome