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musickatia [10]
3 years ago
10

Do you think Pluto should be considered a planet ? Why or why not?

Physics
2 answers:
Troyanec [42]3 years ago
6 0

Answer:

No

Explanation:

Baileyeturnerbt is correct that it isn't a star, asteroid, or meteor but she happened to leave out the fact it truly isn't a planet. It is a dwarf planet that is in a very odd orbit than other planets in our solar system. It is in such an odd path that it could hit one of the other planets and never be seen again. There is a lot of scientific research backing up that it s a dwarf planet. It is in between our planets and our outer solar system. This can be explained by gravity pulling the dwarf planet into our solar system. Many people claim it is a planet but the only evidence you have is that it isn't in our outer solar system. Did you know that there are dwarf plaents in our asteroid belts? Those in our inner solar system and even closer to us that pluto. There simply isn't enough evidence to support your claim. Until you convince hundreds, possibly thousands of scientists, that pluto is a planet our textbooks will continue to say pluto is not a planet.

alisha [4.7K]3 years ago
4 0

Yes I do think so because it is not a star, and it is not an astroid or meteor. Do it MUST be a planet.

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A car travels 60 km in the first 2 hours and 68 km in the next 2 hours. What is the car’s average speed?
Nataly_w [17]
Average speed = total distance/total time taken
5 0
4 years ago
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A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the elbow joint as well as other mov
vovikov84 [41]

Answer:

364.4 J

Explanation:

I = Moment of inertia of the forearm = 0.550 kgm²

v = linear velocity of the ball relative to elbow joint = 17.1 m/s

r = distance from the joint = 0.470 m

w = angular velocity

Using the equation

v = r w

17.1 = (0.470) w

w = 36.4 rad/s

Rotational kinetic energy of the forearm is given as

RKE = (0.5) I w²

RKE = (0.5) (0.550) (36.4)²

RKE = 364.4 J

4 0
4 years ago
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The amplitude of the electric field for a certain type of electromagnetic wave is 570 N/C. What is the amplitude of the magnetic
vesna_86 [32]

Given Information:  

Amplitude of the electric field = E =  570 N/C

Speed of light = c = 3.0x10⁸ m/s

Required Information:  

Amplitude of the magnetic field = ?

Answer:

Amplitude of the magnetic field =  1.90x10⁻⁶ T

Explanation:

The relation between the amplitude of the electric field and magnetic field is given by

B = E/c

Where c is the speed of light

B = 570/3.0x10⁸

B = 1.90x10⁻⁶ T

Therefore, the amplitude of magnetic field is 1.90x10⁻⁶ T

8 0
4 years ago
What is the velocity of a jet plane that travels 48 meters East in 4 seconds?
soldier1979 [14.2K]

Answer:

the speed of a jet plane = v = 12 m/s

Explanation:

jet plane that travels 48 meters East in 4 seconds?

<u>use the velocity as distance over time formula = v = d / t</u>

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t = 4 sec

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plugin values into the formula

v = <u>  48 m  </u>

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v = 12 m/s

therefore,

the speed of a jet plane = v = 12 m/s

8 0
4 years ago
Which of the following are scalar quantities? select all that apply
dolphi86 [110]

Answer:

1, 4, 5, see the explanation below

Explanation:

We must remember that scalar magnitudes are distinguished by having only a physical quantity, that is, they have no sense or direction as an example of scalar quantities, we find mass, temperature, energy, specific heat, power among others.

1 . 150 [grams] , because is a mass =  scalar

4. 5 kilometer [race], is an amount = scalar

5. 34 steps, is an amount = scalar

Number 2, and 3 are vectors because they have amount and direction.

3 0
4 years ago
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