If a fish in a pond looks upward at 50° to the normal, it will see
A) the pond's bottom.
B) the sky and possibly some tall surroundings.
C) only the water's surface.
D) none of the above
Answer: A
You might also like to view...
Energy Levels: A highly ionized atom with Z = 5 has only one electron left around it, in its ground state. How much more energy is required to finish the job and have a bare nucleus?
A. 340.0 eV B. 68.0 eV C. 10.9 eV D. 13.1 eV
When Burl and Paul stand on opposite ends of a sign-painting scaffold, the tensions in the supporting ropes
A) are equal. B) depend on the relative weights of Burl and Paul. C) combine to equal zero. D) are in equilibrium.
One side of a normal outlet is at 120 V AC, the other side is at
A) -120 V AC. B) 0 V. C) 240 V. D) 120 V AC. E) +120 V AC.
A 2.0-cm length of wire centered on the origin carries a 20-A current directed in the positive y direction. Determine the magnetic field at the point x = 5.0 m on the x-axis
a. 1.6 nT in the negative z direction b. 1.6 nT in the positive z direction c. 2.4 nT in the negative z direction d. 2.4 nT in the negative z direction e. None of the above