A 1.00-kg duck is flying overhead at 1.50 m/s when a hunter fires straight up. The 0.0100-kg bullet is moving 200 m/s when it hits the duck and stays lodged in the duck's body. What is the speed of the duck and bullet immediately after the hit?
a. 1.49 m/s
c. 2.48 m/s
b. 1.80 m/s
d. 2.50 m/s
Question 2
A spherical surface surrounds a point charge at its center. If the charge is quadrupled and if the radius of the surface is doubled, what happens to the electric flux FE out of the surface and the magnitude E of the electric field at the surface as a result of these doublings?
a. FE and E do not change.
c. FE increases and E remains the same.
b. FE increases and E increases.
d. FE increases and E decreases.
