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2 years ago

BRAINLIEST + 19 pts what does a capacitor do in a circuit?

Physics

2 answers:

tatuchka [14]2 years ago

8 0

answer: c

explanation: it's job is to store and release charge

Dahasolnce [82]2 years ago

6 0

Answer:

C- It stores and releases charge

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How will the speed of a sound wave change if the temperature of the medium rises?. . Select one of the options below as your ans

Stolb23 [73]

The correct answer for this question is " A.. The speed will increase." The higher the temperature, the more energy it has, and making it to vibrate faster. Since it vibrates faster, then sound waves can travel at a higher speed. In other words, it will make the the speed to increase.

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3 years ago

Read 2 more answers

Which is the best example of Newton's Second Law of Motion? (1 point) Select one: a. A student has on roller skates and she deci

slava [35]

D, I believe is the correct answer. Hope I answered your question, have a good day.

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3 years ago

Kiley went 5.7 km/h north and then went 5.8 km/h west. From start to finish, she went 8.1 km/h northwest. Which best describes h

meriva

Answer:

8.1km/h Northwest

Explanation:

The 8.1km/h Northwest gives the best description of her distance from start to finish. This distance can be represented in a right angle triangle , this is the hypotenuse which is the longest side of the triangle. If we add 5.7 and 5.8 this gives 11.5km/h compared to 8.1km/h which is a smaller distance and the best.

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3 years ago

Two go-carts, A and B, race each other around a 1.0 track. Go-cart A travels at a constant speed of 20.0 /. Go-cart B accelerate

maria [59]

Complete Question

Q. Two go-carts, A and B, race each other around a 1.0km track. Go-cart A travels at a constant speed of 20m/s. Go-cart B accelerates uniformly from rest at a rate of 0.333m/s^2. Which go-cart wins the race and by how much time?

Answer:

Go-cart A is faster

Explanation:

From the question we are told that

The length of the track is $l = 1.0 \ km = 1000 \ m$

The speed of A is $v__{A}} = 20 \ m/s$

The uniform acceleration of B is $a__{B}} = 0.333 \ m/s^2$

Generally the time taken by go-cart A is mathematically represented as

$t__{A}} = \frac{l}{v__{A}}}$

=> $t__{A}} = \frac{1000}{20}$

=> $t__{A}} = 50 \ s$

Generally from kinematic equation we can evaluate the time taken by go-cart B as

$l = ut__{B}} + \frac{1}{2} a__{B}} * t__{B}}^2$

given that go-cart B starts from rest u = 0 m/s

$1000 = 0 *t__{B}} + \frac{1}{2} * 0.333 * t__{B}}^2$

=> $1000 = 0 *t__{B}} + \frac{1}{2} 0.333 * t__{B}}^2$

=> $t__{B}} = 77.5 \ seconds$

Comparing $t__{A}} \ and \ t__{B}}$ we see that $t__{A}}$ is smaller so go-cart A is faster

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2 years ago

Whose geocentric model was accepted for 1400 years

zysi [14]

IDK the answer but I think it was "Ptolemy" whose geocentric model of the solar system was accepted for 1,400 years, and was embraced by the the Church until Galileo called it into question.

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3 years ago