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anzhelika [568]
3 years ago
9

Where did the 25 come from??

Physics
1 answer:
Elza [17]3 years ago
7 0

Answer:

It comes from the same place that any claim about gods comes: the human imagination.

Explanation:

Various scholars have come up with different times of year for the guy to have been born - if indeed he existed as a single man, and not a pastiche of several itinerant preachers of the time. The one that has the least support in any literature that survives, is December 25.

The reason that date was picked was because the early church wanted to convert pagans, and a common pagan festival was held at the Winter solstice, when the days finally stopped getting shorter and began getting longer again (yay! drinking, merriment, and fellowship, and a new year coming!). So they declared a holiday/birthday at that time, so the pagans would not lose their celebration if they converted. At the time, the officers of the early church had no idea that the southern hemisphere was seeing exactly the opposite trend-reversal, or they didn’t care, because the pagans they were interested in recruiting were local (mostly within and bordering the Roman empire). They didn’t know or care about south Africans or Australian aborigines or South American indigenes who would have been looking to observe their SUMMER solstice and the less-happy trend toward darkness and shortened days.

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A 0.500 kg bullet is fired from a gun at 25.0 m/s, how much kinetic energy does it have?
slamgirl [31]

Considering the definition of kinetic energy, the bullet has a kinetic energy of 156.25 J.

<h3>Kinetic energy</h3>

Kinetic energy is a form of energy. It is defined as the energy associated with bodies that are in motion and this energy depends on the mass and speed of the body.

Kinetic energy is defined as the amount of work necessary to accelerate a body of a given mass and in a rest position, until it reaches a given speed. Once this point is reached, the amount of accumulated kinetic energy will remain the same unless there is a change in speed or the body returns to its rest state by applying a force to it.

The kinetic energy is represented by the following expression:

Ec= ½ mv²

Where:

  • Ec is the kinetic energy, which is measured in Joules (J).
  • m is the mass measured in kilograms (kg).
  • v is the speed measured in meters over seconds (m/s).

<h3>Kinetic energy of a bullet</h3>

In this case, you know:

  • m= 0.500 kg
  • v= 25 m/s

Replacing in the definition of kinetic energy:

Ec= ½ ×0.500 kg× (25 m/s)²

Solving:

<u><em>Ec= 156.25 J</em></u>

Finally, the bullet has a kinetic energy of 156.25 J.

Learn more about kinetic energy:

brainly.com/question/25959744

brainly.com/question/14028892

#SPJ1

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What is the wavelength of a wave if the wave speed is 24 m/s and the frequency is 48 Hz?
Mice21 [21]

Answer:

Wavelength is 0.5

Explanation:

To work it out, you divide Wave speed by the Frequency (24÷48=0.5)

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Their "airspeeds" (speed through the air) are equal, but the one traveling in the
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When a circuit breaker regularly trips or a fuse repeatedly blows, it is a sign that you are making excessive demands on the circuit and need to move some appliances and devices to other circuits. Or, it may indicate that your house has too few circuits and is in need of a service upgrade.

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