A wood block is placed on top of the ice in a large bowl half full of ice. The bowl is then filled to the brim with water, with the wood block riding on top of the ice. As the ice melts,
a. the density of the water decreases.
b. the water level falls below the rim.
c. the water level rises and water spills out of the bowl.
d. the water level does not change.
e. the wood block descends, causing water to spill out of the bowl.
d
You might also like to view...
All ____ galaxies are spiral galaxies that have small luminous nuclei
a. active b. radio c. Seyfert d. double-lobed radio e. blazar
Briefly describe how the greenhouse effect makes a planetary surface warmer than it would be otherwise
What will be an ideal response?
A 2-mol ideal gas system undergoes an adiabatic process where it expands and does 24 J of work on its environment. What is its change in internal energy?
a. ?24 J b. ?12 J c. zero d. +24 J e. +12 J
Which of the following is FALSE?
a) Light, radio, ultraviolet, and gamma rays are all forms of electromagnetic radiation. b) Emission spectra are characterized by narrow, bright lines of different colors. c) An absorption spectrum appears as a continuous spectrum interrupted by a series of dark lines. d) The energy of a photon is inversely proportional to the wavelength of the radiation. e) The wavelengths of the emission lines produced by an element are different from the wavelengths of an absorption line produced by the same element.