PHYSICS HIGH SCHOOL

Pressure and volume changes at a constant temperature can be calculated usinga. Boyle s law.
c. Kelvin s law.
b. Charles s law.
d. Dalton s law.

Answers

Answer 1
Answer: It can be calculated using Boyle's Law.  A.

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Objects that have value in themselves and that are also used as money is the definition for _____.a. commodity money
b. representative money
c. fiat money
d. money

Answers

Answer: The correct answer for the blank is- a. commodity money.


Commodity money can be described as a form of currency, which has an intrinsic value ( that is value of its own) as well as value (in the form of money) in their use.

For Example- gold, silver, grains serve as commodity money.

   Objects that have value in themselves and that are also used as money is the definition for  commodity money. Hope this helped :)

What Makes enzymes for starch, protein and fat breakdown

Answers

The type of enzyme that are synthesized in an environment where an operon codes for enzymes that synthesize a protein from precursor amino acid molecules are the repressible enzymes. It binds to the operator and blocks attachment of RNA polymerase to the promoter, preventing transcription of the genes.

Please help, question is timed...

Answers

Answer:

65

Explanation:

50+3*5

The basic building block of life is

Answers

The basic building block of life is molecules, more specifically macromolecules. There are four different macromolecules which could all be described as the building blocks of life, namely carbohydrates, proteins, nucleic acids and proteins.

Where is the water table located?A. Below the layer of bedrock
B. Under the zone of saturation
C. In the layer of bedrock
D. At the top of the zone of saturation

Answers

The Water table is located D.at the top of the zone of saturation.

♡♡Hope I helped!!! :)♡♡

Several teenagers swim toward a rectangular, wooden raft that is 2.00 m wide and 2.50 m long. If the raft is 9.80 cm thick, how many 75.0 kg teenage boys can stand on top of the raft without the raft becoming submerged? Assume the wood density is 650 kg/m3.

Answers

Answer:

2

Explanation:

length of the raft, L = 2 m

Width of the raft, W = 2.5 m

height of the raft, H = 9.8 cm = 0.098 m

mass of each person, m = 75 kg

Density of wood = 650 kg/m^3

volume of raft, V = L x W x H = 2 x 2.5 x 0.098 = 0.49 m^3

let there are N persons

According to the principle of floatation

Buoyant force acting on the raft = True weight of the raft

Volume x density of water x g = volume x density of wood x g + N x mg

0.49 x 1000 x g = 0.49 x 650 x g + N x 75 x g

490 = 318.5 + N x 75

N = 2.28

So, the maximum number of person is 2.
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