A group of students are studying two models of solids, liquids, and gases. The students have been given an ice cube that has bee
n dyed blue, and the students are to carefully place the ice cube in a container of room temperature water.Which is the appropriate question to ask prior to the experiment?
A. Will the particles of water lose heat and begin to move faster?
B. Will the particles of ice absorb heat from the water and begin to move faster?
C. Will the particles of ice lose heat to the water and begin to move slower?
D. Will the particles of water gain heat and begin to move faster?
A. Will the particles of water lose heat and begin to move faster?
B. Will the particles of ice absorb heat from the water and begin to move faster?
C. Will the particles of ice lose heat to the water and begin to move slower?
D. Will the particles of water gain heat and begin to move faster?
2 answers:
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The initial length of the pine tree=5 feet.
Groth rate of pine tree =3 feet/year.
The initial length of the pine tree =10 feet.
Groth rate of the maple tree =2 feet/year.
After x years, the height of the pine tree= 5+3x feet and
after x years, the height of the maple tree= 10+2x feet.
The inequality for which, after x year, the pine tree is taller than the maple tree is
.
The inequality for which, the pine tree is at least as tall as the maple tree is .
.
Again, after 3x years, the height of the pine tree= 5+3(3x)=5+9x feet and
after 2x years, the height of the maple tree= 10+2(2x)=10+4x feet.
The inequality for which, after 3x years, the pine tree is taller than the maple tree was after 2x years is
The inequality for which, the pine tree is at least as tall as the maple tree is .