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Colt1911 [192]
3 years ago
13

Find the initial kinetic energy, the final kinetic energy, and the change in kinetic energy for the first 2.00 m of fall.

Physics
1 answer:
leonid [27]3 years ago
4 0
<span>Find the initial kinetic energy, the final kinetic energy, and the change in kinetic energy for the first 2.00 m of fall.</span>
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When running a 100 meter race Trevor reaches his maximum speed when he is 40 meters from the starting line, and 6 seconds have e
Virty [35]

Answer:

The max speed is 8m/s, 3 seconds at this speed gives 24mts, at 9 seconds has traveled 64mts and at 7,5 52mts

Explanation:

The max speed can be calculated since, at 6 seconds is at 40 mts from the starting point and at constant speed is at 72 mts 10 seconds after the start of the race, then the constant max speed is (72-40)mts /(10-6)seconds=8 m/s.

the distanced travel at this speed is obtained by multipliying by 3 seconds. that is 8m/s*3s=24 mts. the distance at 9 seconds is 40mt of initial 6 plus 24 additional, that is 64mts and at 7,5 is the 40mts initial plus the 13 additional from 8m/s*1,5s = 12mt, that is 52mts.

6 0
4 years ago
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True or False: Any wavelength of light would work for this experiment. Explain your response, including the term quantum or quan
emmainna [20.7K]

Answer:

I think false I don't know if I right but I hoped this help

6 0
3 years ago
During the 2020 general election, GOP incumbent Donald Trump is once again successful in his bid for the presidency. Mr. Trump a
Elden [556K]

The election would be given to the members of the House of Representatives who would be able to select either O'Rourke, or Trump only, because they were the only candidates who received more than 15% of the available electoral votes.

<h3>What is the role of house of representative?</h3>

The house of representatives are those that has been given the authority to make and pass federal laws.

They are supposed to handle and mischief during elections that may affect the process on order to ascertain the rightful leader.

From the excerpt given, since a recount of the votes where made and the three parties involved had a miscount, the final decision should be made by the house of representatives.

This is because, the house of representatives has the authority to elect the president from the three presidential candidates that received the highest votes.

Learn more about election here:

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3 0
2 years ago
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The electric potential at a certain distance from a point charge can be represented by V. What is the value of the electric pote
Maksim231197 [3]

Answer:

<em>b. At twice the distance, the electric potential is V/2</em>

Explanation:

Electric potential

Is the amount of work needed to move a unit charge from a reference point (usually a point at infinity) without producing acceleration.

The electric potential due to a point charge q at a distance r is given by

\displaystyle V=K\frac{q}{r}

Where K is the Coulomb's constant. If we know the electric potential at a certain distance is V, if the distance is changed to 2r, then the new potential is

\displaystyle V'=K\frac{q}{2r}=\frac{1}{2}K\frac{q}{r}=\frac{1}{2}V

It means that the electric potential is half the previous value. Correct option: b.

8 0
3 years ago
A 50 kg crateis being pushed on a horizontal floor at constant velocity. Given that the coefficient of kenitic friction between
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Here’s the solution. There was no angle given so I feel this is the possible answer

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