A single convex spherical mirror produces an image which is A) ...

[casperchen82]

A single convex spherical mirror produces an image which is
 
  A)
 
  always virtual.
  B)
 
  always imaginary.
  C)
 
  always real.
  D)
 
  real only if the object distance is less than f.
  E)
 
  real only if the object distance is greater than f.

Question 2

An object of mass 2.00 kg starts at rest from the top of a rough inclined plane of height 20.0 m as shown in Fig. 8-9.
 
  If the work done by the force of friction is -150 J, what is the speed of the object as it reaches the bottom of the inclined plane? Use g = 10.0 m/s2. A)
 
  15.8 m/s
 
  B)
 
  150 m/s
 
  C)
 
  10.0 m/s
 
  D)
 
  20.0 m/s
 
  E)
 
  200 m/s

[sailorcrescent]

Answer to Question 1

A

Answer to Question 2

A