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natita [175]
3 years ago
12

A net charge of 5.0 coulombs passes a point on a

Physics
2 answers:
liraira [26]3 years ago
7 0

Answer: 1.0 x 10^2

Explanation:

cupoosta [38]3 years ago
6 0

Answer : The average value of current is 1.0\times 10^2\ A.

Explanation :

It is given that,

Net charge, q = 5 C

Time, t = 0.05 s

The electric current is defined as the rate of change of electric charge.

I=\dfrac{q}{t}

I=\dfrac{5\ C}{0.05\ s}

I = 100\ A

or

I=1.0\times 10^2\ A

The average current is 1.0\times 10^2\ A.

Hence, this is the required solution.

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Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 403 km above the earth’s sur
BARSIC [14]

Answer:

v_A=7667m/s\\\\v_B=7487m/s

Explanation:

The gravitational force exerted on the satellites is given by the Newton's Law of Universal Gravitation:

F_g=\frac{GMm}{R^{2} }

Where M is the mass of the earth, m is the mass of a satellite, R the radius of its orbit and G is the gravitational constant.

Also, we know that the centripetal force of an object describing a circular motion is given by:

F_c=m\frac{v^{2}}{R}

Where m is the mass of the object, v is its speed and R is its distance to the center of the circle.

Then, since the gravitational force is the centripetal force in this case, we can equalize the two expressions and solve for v:

\frac{GMm}{R^2}=m\frac{v^2}{R}\\ \\\implies v=\sqrt{\frac{GM}{R}}

Finally, we plug in the values for G (6.67*10^-11Nm^2/kg^2), M (5.97*10^24kg) and R for each satellite. Take in account that R is the radius of the orbit, not the distance to the planet's surface. So R_A=6774km=6.774*10^6m and R_B=7103km=7.103*10^6m (Since R_{earth}=6371km). Then, we get:

v_A=\sqrt{\frac{(6.67*10^{-11}Nm^2/kg^2)(5.97*10^{24}kg)}{6.774*10^6m} }=7667m/s\\\\v_B=\sqrt{\frac{(6.67*10^{-11}Nm^2/kg^2)(5.97*10^{24}kg)}{7.103*10^6m} }=7487m/s

In words, the orbital speed for satellite A is 7667m/s (a) and for satellite B is 7487m/s (b).

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3 years ago
WHOEVER ANSWERS FIRST GETS BRAINLEST
JulsSmile [24]

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<h3>What is communication?</h3>

Communication involves the transfer of information from one person (sender) to another (recipient), especially through the use of semiotics, symbols, signs and network devices.

<h3>How to match the scenarios?</h3>
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Read more on communication here: brainly.com/question/26152499

#SPJ1

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