Which extremely flammable gas is most commonly burned for fuel in a home? A) Hydrogen B) Methane C) Propane D) Butane

Answers

Answer 1

Answer:

Answer:

B ) Methane

Explanation:

Methane is known as a natural gas and is the most commonly used sources of fuel amongst businesses and homes to power water heaters and stoves.

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Which is an example of the kinetic-molecular theory not holding true for a gas?The average kinetic energy of particles depends only on the temperature. The particles in a gas travel in straight lines in a continuous, random motion. The attraction between particles causes a gas to condense at low temperatures. The particles in a gas make up a small portion of the total volume of the gas.
7.If your driver license is suspended, you may drive only:a. If you obtain an essential need driver licenseb. If you have an accompanying licensed driverc. If you drive on less traveled roadsd. If you get permission from the local police
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Which terrestrial planet experiences the shortest year?A. Mars
B. Earth
C. Venus
D. Mercury

Answers

D. Mercury
Its year only takes 88 Earth days.

BTW, you could get this exact information if you visit a revolutionary new search engine called Google. Enter in this exact question and Google will return the answer. :)

Also, you probably should know, the closer the planet is to the Sun, the faster it revolves around it, therefore it has a shorter year, and since Mercury is the first planet next to Sun it means that Mercury has the shortest year ☺

Your boss asks you to compare two sound waves and determine which has a higher frequency. Wave A has a period o 4/100 second and Wave B has a period of 1/7 second. What would you tell your boss? A. Wave A has the higher frequency. It's frequency is 4 Hz
B. Wave A has the higher frequency. It's frequency is 25 Hz
C. Wave B has the higher frequency. It's frequency is 42 Hz
D. Wave B has the higher frequency. It's frequency is 7 Hz

Answers

Wave A has a higher frequency and that frequency is 25 Hz. This can be determined by taking the time span and dividing it by the number of waves/second. 100 divided by 4 is 25. 7 divided by 1 is 7. 25 Hz is higher than 7 Hz.

Answer:

Explanation:

17. Explain some of the uses of the Global Positioning System. Why might emergency vehicles be equipped with GPS receivers?

Answers

GPS or Global Positioning System is a US-owned utility which provides the users with the navigation, positioning, and timing of a person's location. This is equipped in vehicles to receive the zone coordinates during the wars.

What is GPS?

The Global Positioning System or GPS is a U.S.-owned utility which provides the users with all the three services which are the positioning, navigation, and timing (PNT) services. The GPS system consists of all the three segments which are the space segment, the control segment, and the user segment.

The Navigation refers to getting from one location to another. Tracking is the monitoring of object or personal movements. Mapping is the creation of maps of the world. Timing includes bringing the precise timing to the world.

Vehicles which are equipped with the GPS receivers provide flight crew with a much more accurate landing zonecoordinates which are within 100 feet. This greatly lessens the helicopter's response time.

Learn more about GPS here:

brainly.com/question/28275639

#SPJ2

They can be used to map forests, help farmers harvest their fields, and navigate airplanes on the ground or in the air. They might be used in emergency vehicles to help the driver find the quickest route to the person in need and the quickest way back to the hospital.

To do work, this truck uses energy stored in chemical fuel and an electrical battery.An illustration of truck with a wide arrow away from it labeled input energy? J and it splits into 3 arrows labeled kinetic energy 400 J, heat 250 J, and friction 150 J.
How much total energy does this truck put out?

A. 50 J
B. 250 J
C. 400 J
D. 800 J

Answers

Answer: D 800j
explanation: Just add all provided numbers

The heat capacity of a sample should be divided by which quantity to find the specific heat capacity?

Answers

The heat capacity of a sample should be divided by the number of moles of a substance to find the specific heat capacity of that substance. For example, the specific heat capacity of methane is 4.475 kJ/kg-K.

A 60-kg person is traveling in a car moving at 16 m/s, when the car hits a barrier. The person is not wearing a seat belt, but is stopped by an air bag in a time interval of 0.20 s. Determine the average force that the air bag exerts on the person?

Answers

Using conservation of momentum, we can solve for the force that the air bag exerts on the person.

Recall the equation for momentum (p):

$p = mv = F*dt$

We can solve for total momentum, then divide by out time interval. This gets us:

$(60kg)(16m/s) = F(0.2s)F = 4800N$

F = 4800N

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All of the following are reasons that psychologists use a systematic method to conduct research except __________.

Which of the following best describes the magnetic field lines around an isolated, permanent bar magnet?A. The field lines go from the magnet's south pole into its north pole.B. The field points out along radial lines from the bar magnet, extending straight out to infinity.C. The field lines go from the magnet's north pole into its south pole.D. The field points straight into the bar magnet along radial lines that extend to infinity.

A light ray traveling in air enters a secondmedium and its speed slows to 1.71 × 10^8 metersper second. What is the absolute index ofrefraction of the second medium?(1) 1.00 (3) 1.75(2) 0.570 (4) 1.94