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Which of state of matter has no definite shape but does have a definite volume? A. Liquid B. Gas C. Solid D. Element
The following state of matter has no definite shape but does have a fixed volume: Liquid.
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Asked 6/13/2019 12:56:59 PM
Updated 6/13/2019 1:21:19 PM
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Confirmed by MrG [6/13/2019 1:21:19 PM]
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Under normal conditions of temperature and pressure, the gaseous state of a liquid is called _______. A. smoke B. water C. vapor D. ice
Weegy: Under normal conditions of temperature and pressure, the gaseous state of a liquid is called vapor. (More)
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Expert Answered
Updated 3/30/2021 6:25:11 AM
0 Answers/Comments
The main difference between turbojets and rocket engines is the fact that A. turbojets aren't dependent on oxygen from the air. B. turbojets carry their own supply of oxygen as oxidizers. C. rocket engines need oxygen from the air. D. rocket engines aren't dependent on oxygen from the air.
Question
Not Answered
Updated 6/12/2019 7:56:13 AM
2 Answers/Comments
The main difference between turbojets and rocket engines is the fact that rocket engines are not dependent on oxygen from the air.
Added 6/12/2019 7:56:02 AM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [6/12/2019 7:58:43 AM]
The main difference between turbojets and rocket engines is the fact that rocket engines are not dependent on oxygen from the air.
Added 6/12/2019 7:56:13 AM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [6/12/2019 7:58:43 AM]
What's the kinetic energy of an object that has a mass of 30 kilograms and moves with a velocity of 20 m/s? A. 6,000 J B. 12,000 J C. 5,880 J D. 2,940 J
Question
Not Answered
Updated 6/12/2019 7:55:20 AM
1 Answer/Comment
The kinetic energy of an object that has a mass of 30 kilograms and moves with a velocity of 20 m/s is: 6,000 J.
Solution:
KE = 1/2 * m * v^2
KE = (1/2) * 30 * (20^2)
KE = (1/2) *30* 400
KE = 6000 J
Added 6/12/2019 7:55:20 AM
This answer has been confirmed as correct and helpful.
Which of the following takes place in the combustion chamber of a gas turbine engine? A. A glow plug is used to add enough heat to the chamber for combustion to occur. B. Gaseous combustion products are cooled to a desired temperature. C. Fuel oil is stored with sufficient pressure. D. Fuel oil is mixed with a proper portion of compressed air.
Weegy: Gaseous combustion products are cooled to a desired temperature takes place in the combustion chamber of a gas turbine engine. User: 50 J of work was performed in 20 seconds. How much power was used to perform this task? A. 24.5 W B. 0.4 W C. 2.5 W D. 4 W (More)
Question
Not Answered
Updated 1/10/2021 2:37:00 PM
1 Answer/Comment
50 J of work was performed in 20 seconds. 2.5W power was used to do this task. Power = work done /time , Power = 50 /20 = 2.5W

Added 1/10/2021 2:37:00 PM
This answer has been confirmed as correct and helpful.
The process by which a substance changes from a gaseous state to the liquid state is A. condensation. B. evaporation. C. critical temperature. D. absolute zero.
Weegy: The process in which a substance changes from a gaseous state to the liquid state is condensation. User: The main difference between heat and temperature is that temperature is solely dependent on the A. state of matter. B. mass of a body. C. velocity of molecules within a body. D. composition of a body. Weegy: The main difference between heat and temperature is that temperature is solely dependent on the velocity of molecules within a body. User: Which one of the following temperatures is equal to 5°C? A. 41 K B. 278 K C. 0 K D. 465 K Weegy: 278 K is equal to 5 C temperature. User: A 6.7 kg object moves with a velocity of 8 m/s. What's its kinetic energy? A. 26.8 J B. 167.5 J C. 214.4 J D. 53.6 J (More)
Question
Not Answered
Updated 8/14/2020 5:38:03 AM
1 Answer/Comment
A 6.7 kg object moves with a velocity of 8 m/s. kinetic energy= 1/2 *m*v^2 , Kinetic energy =1/2 * 6.7* 8 *8 = 214.4J.
Added 8/14/2020 5:38:03 AM
This answer has been confirmed as correct and helpful.
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