A boat floating in a large pool is loaded with wood blocks. The water level at the pool's edge is marked with a red line. The blocks are now thrown overboard and float outside the boat. When the water becomes calm again,

A. the red line is slightly higher than the water level.
B. the red line is still at the water level.
C. the red line is slightly lower than the water level.


Answer: B

Physics & Space Science

You might also like to view...

Photon Energy: A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each pulse has an energy of 480 mJ. How many photons are emitted in each pulse? (c = 3.0 × 108 m/s, h = 6.626 × 10-34 J ? s)

A. 1.7 × 1018  B. 2.1 × 1027 C. 2.6 × 1037 D. 3.1 × 1043

Physics & Space Science

Describe the Kuiper belt and Oort cloud in terms of location, the orbits and number of comets within it, and its likely origin.

Physics & Space Science

Which of these is the same for all forms of electromagnetic (E-M) radiation in a vacuum?

A) photon energy B) amplitude C) speed D) wavelength E) frequency

Physics & Space Science

A particle is in the first excited state of a one-dimensional box of length 1.0 m. What is the minimum value of its momentum (in kg ? m/s)?

a. 3.3 × 10^?34 b. 6.6 × 10^?34 c. 9.9 × 10^?34 d. 13 × 10^?34 e. 22 × 10^?34

Physics & Space Science