Which of these is NOT a stellar property? age, size, mass, or fission?

Answers

Answer 1

Answer: I think its Fission but I'm not for sure, I'm not really good with Physics... if i get the answer wrong then I'm sorry.

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A fighter bomber is making a bombing run flying horizontally at 500 knots (256m/s) at an altitude of 100.0m. a) How long will it take for the bomb to hit the ground after it is dropped from the plane?

b) How far will the bomb go over the ground (in the x direction) before it hits the target?

Answers

Answer:

(a) t = 4.52 sec

(b) X = 1,156.49 m

Explanation:

Horizontal Launching

If an object is launched horizontally, its initial speed is zero in the y-coordinate and the horizontal component of the velocity $v_o$ remains the same in time. The distance x is computed as.

$\displaystyle x=v_o.t$

(a)

The vertical component of the velocity $v_y$ starts from zero and gradually starts to increase due to the acceleration of gravity as follows

$v_y=gt$

This means the vertical height is computed by

$\displaystyle h=h_o-(gt^2)/(2)$

Where $h_o$ is the initial height. Our fighter bomber is 100 m high, so we can compute the time the bomb needs to reach the ground by solving the above equation for t knowing h=0

$\displaystyle t=\sqrt{(2h_o)/(g)}$

$\displaystyle t=\sqrt{(2(100))/(9.8)}=4.52\ sec$

(b)

We now compute the horizontal distance knowing $v_o=256\ m/s$

$\displaystyle x=(256).(4.52)$

$X=1,156.49\ m$

Microwave,radio signal,light,earthquake which does not belong

Answers

Answer:

earthquake does not belong to electromagnetic waves

Earthquake, because the rest are referring to electrical appliances.

What are some similarities between heat and temperature?

Answers

Answer
Heat is a form of energy while temperature is the measure or degree of coldness or hotness of a substance, place or something.
The similarities between heat and temperature are:
1. Heat causes the temperatures to raise. This means that it is the heat energy that causes temperatures to change.
2. Both heat and temperatures can be measured by specific units. Heat is measured in joules while temperature is measured in kelvin.

By definition, we have:

Heat:

Energy that is manifested by an increase in temperature and comes from the transformation of other energies; is originated by the vibratory movements of the atoms and the molecules that form the bodies

Temperature:

The temperature is a magnitude referred to the common notions of heat measurable by a thermometer. In physics, it is defined as a scalar quantity related to the internal energy of a thermodynamic system

Some similarities are:

1) The more heat there is, the higher the temperature.

2) The less heat there is, the lower the temperature.

3) Mathematically the heat and the temperature difference between two points are proportional.

the weight of an object on a planet depends not only on its mass, but also on its distance from the planets center. This table lists the weight of 80 kg on each planet in the solar system. Uranus has more than 14 times as much mass as Earth, yet the gravitational force is less. Explain how this could be

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uranus is a lot bigger than earth

Evaporation: Evaporation is the process where a _________ changes into a _________.

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Liquid changes into a gas.

Evaporation is the process through which a liquid turns into a gas. It is how water gets from the surface of the Earth to the atmosphere.

Water vapor is cooled in which of the following processes? A. Turbulence
B. Convection
C. Precipitation
D. Wind storms

I believe it’s C but I’m not sure .

Answers

Answer:

B. Precipitation.

Explanation:

Precipitation is any liquid or frozen water that forms in the atmosphere and falls back to the Earth. It comes in many forms, like rain, sleet, and snow.

Answer:

Precipitation

Explanation:

Precipitation occurs when water vapour in the atmosphere condenses and falls back to the earth as rainfall or precipitation. Water vapour is gaseous, when it is cooled, it condenses to the liquid state. Hence precipitation has to do with cooling of water vapour that escapes from the earth surface. This cooling occurs in the cloud and then precipitation follows. See image attached for more details.

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