If you place a plane mirror vertically into water, and a dolphin ...

[lindiwe]

If you place a plane mirror vertically into water, and a dolphin moves toward it with a speed of 4 m/s, she will see her image move toward her at a relative speed of
 
  A) 6. m/s.
  B) 10. m/s.
  C) 2. m/s.
  D) 4. m/s.
  E) 8. m/s.

Question 2

The coil of a generator has 50 loops and a cross-sectional area of 0.25 m2. What is the maximum emf generated by this generator if it is spinning with an angular velocity of 4.0 rad/s in a 2.0 T magnetic field?
 
  A) 100. V
  B) 50. V
  C) 400. V
  D) 75. V
  E) 0. V

[Jayson]

Answer to Question 1

E

Answer to Question 2

A

[lindiwe]

Gracias!

[kishoreddi]

Excellent