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3 years ago

Which one of the following

Physics

1 answer:

musickatia [10]3 years ago

6 0

Answer:

Current is calculated as the amount of charge that pass a point on a circuit per time.

Explanation:

Electric current is defined as the amount of charge that passes a point on a circuit per unit time. The mathematical definition of electric current is given by :

$I=\dfrac{q}{t}$

Where

q is a charge (Coulomb)

t is time (in seconds)

The SI unit of electric current is A. It is equivalent to C/s. So, the correct option is (A).

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At a pressure of one atmosphere methane boils at −161°C and freezes at −182.5°C. Consider a temperature scale where the boiling

lawyer [7]

Answer:

$-421.627906977\^{\circ}M$

Explanation:

Absolute zero in the Kelvin scale = -273.15 °C

Temperature difference in the boiling and freezing point

$-161-(-182.5)=21.5\ ^{\circ}C$

Change in 21.5°C = Change of 100°C in M

$1^{\circ}C=\dfrac{100}{21.5}=4.6511627907\ ^{\circ}M$

Difference in the Celsius scale

$-182.5-(-273.15)=90.65\ ^{\circ}C$

Change in $90.65\ ^{\circ}C$ corresponds to

$4.6511627907\times 90.65=421.627906977\ ^{\circ}M$

Therefore the absolute zero in the Methane scale is

$-421.627906977\ ^{\circ}M$

3 0

3 years ago

What is a magnetic field?

monitta

A magnetic field is charged electricity acting in the forced of magnatism

4 0

3 years ago

Find the statement about Fusion that is false.

stiks02 [169]

Fusion occurs when low mass nuclei, such as hydrogen collide and combine to form nuclei with greater masses.

Fusion could be the world's answer to clean unlimited amounts of energy.

Fusion is extremely difficult to contain and maintain here on earth.

Explanation:

Nuclear fusion is the combination of light atomic nuclei to form nuclei with greater mass.

The sun is powered by chain reaction involving fusion of light hydrogen nuclei to produce a more massive atom of helium.

As with all nuclear reaction, mass is equivalent to energy. These reactions takes place place in the nucleus of an atom where nuclear forces are broken .
it is known that nuclear fusion produces far more energy than fission reaction.
It produces less radioactive wastes and could be the world's clean source of unlimited amount of energy.
The major problem with fusion is that it is difficult to start and requires a a lot of energy to initiate.

learn more:

Non-renewable resource brainly.com/question/2948717

#learnwithBrainly

5 0

3 years ago

A jet accelerates at a=3.92 m/s2 from rest until it reaches its takeoff velocity of 360 km/hr. It has to travel for 5 seconds at

Art [367]

Answer:

$\Delta s = 1775.510\,m$