At what angle must a fish underwater look in order to see a fisherman at the shore? (Note: n for water is 1.33.)
A) 41.2
B) 48.8
C) 60.0
D) 36.9
E) 90.0
Question 2
A 45-kg person steps on a scale in an elevator. The scale reads 460 N. What is the elevator doing?
What will be an ideal response?