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Andrei [34K]
3 years ago
15

PLEASE HELP FAST:

Advanced Placement (AP)
1 answer:
OLEGan [10]3 years ago
7 0

Answer: The numbers are 3/2. and 9/10

Explanation:  

3 divided by 2 equals 1.5  and 9 divided by 10 equals 0.9

      1.5 minus 0.9 = 0.6

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Based on the kinetic molecular theory, which of the following statements is correct about a sample of gas at a constant temperat
inna [77]

C) It has a constant average kinetic energy

Explanation:

The average kinetic energy of the particles in a gas is directly proportional to the temperature of the gas, according to the equation:

KE=\frac{3}{2}kT

where

KE is the kinetic energy

k is the Boltzmann's constant

T is the absolute temperature of the gas

Therefore, temperature of a gas is a measure of the average kinetic energy of the particles.

In this problem, we are told that the gas is at constant temperature (and volume): therefore, according to the previous equation, this means that the average kinetic energy is also constant.

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8 0
3 years ago
Read 2 more answers
Prompt hierarchies are
sasho [114]
A system of cueing and when implanted, allows a student the opportunity to communicate. The cues are sequenced from least to most directive.
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3 years ago
How do you get a Mach number?
kaheart [24]

allow me to answer that for you

In the case of an object moving through a fluid, such as an aircraft in flight, the Mach number is equal to the velocity of the object relative to the fluid divided by the velocity of sound in that fluid.

4 0
3 years ago
One recent cost analysis report indicates that electricity from hydroelectric power can be produced for about $0.05 per kWh , wh
kotegsom [21]

NB: Check the remainder of the question in the attached file

Answer:

% change in the cost of electricity for a typical house = 54.55%

Explanation:

A typical house uses 10,900 kWh of electricity per year

Average cost of electricity production from hydroelectric power = $0.05 per kWh

Cost of production of electricity from hydroelectric power in 1 yr= $0.05 * 10900 = $545

Average cost of electricity production from conventional coal-fired power plant = $0.11 per kWh

Cost of production of electricity from hydroelectric power in 1 yr= $0.11 * 10900 = $1199

Change in the cost of electricity due to the switch in power source = $1199 - $545 = $654

% change in the cost of electricity = (654/1199) * 100

% change in the cost of electricity = 54.55%

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3 years ago
Question 10 of 10
kari74 [83]

Answer: the answer is D

Explanation:

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3 years ago
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