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2 years ago

Which sentence in the passage can be used to conclude that Eris is a dwarf planet and not a planet?

Physics

2 answers:

SIZIF [17.4K]2 years ago

6 0

Answer:

It has several other objects in its orbit , though few are as massive as itself.

Explanation:

A celestial body orbiting the sun is considered a planet when its mass is more than sum of all other celestial bodies moving along with it in its orbit round the sun.

Lelu [443]2 years ago

3 0

Eris is slightly more massive than Pluto. However, both of them are smaller than Earth's Moon.
This should conclude that Eris is a dwarf planet.

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A stagehand starts sliding a large piece of stage scenery originally at rest by pulling it horizontally with a force of 176 N. W

Step2247 [10]

<u>Answer:</u>

Option (a)

<u>Explanation :</u>

A stage hand starts sliding a large piece of stage scenery originally at rest by pulling it horizontally with a force of 176 N.

Hence Force applied $\text { Fapplied }=176 \mathrm{N}$

Force on piece of scenery $\mathrm{F}_{\mathrm{g}}=490 \mathrm{N}$

$\Sigma \mathrm{F} \mathrm{y}=\mathrm{F} \mathrm{n}-\mathrm{Fg}=0$

$\mathrm{Fn}=\mathrm{Fg}$

$\mathrm{FS}_{\mathrm{max}}=\mathrm{F}_{\mathrm{applied}}$

µk = $\frac{\mathrm{Fs} \max }{\mathrm{Fn}}$

= $\frac{\text { Fapplied }}{\mathrm{Fg}}$

= $\frac{176}{490}$ =0.36

coefficient of static friction is 0.36

4 0

2 years ago

A package rests on the floor of an elevator that is rising with constant speed. the elevator exerts an upward normal force on th

Tomtit [17]

Because the actual package isn't moving so the gravitational potential energy stays the same. kinetic energy is gained through motion of the object not the motion of the surroundings of the object so
unless the package is falling out of a window its losing gravitational potential energy and gaining kinetic energy. hope this helps :-)

6 0

2 years ago

A light wave has a wavelength of 0.015 m. What is the frequency of this light wave? (1 point)

Tanya [424]

Answer:

2 x 10^10

Explanation:

3 0

3 years ago

What role did gravity played in the formation of the solar system

hodyreva [135]

Gravity is the cause of . . .

-- star formation,

-- planet formation,

-- orbits.

So without gravity, there pretty much wouldn't be any solar or any system.

5 0

3 years ago

WheN a car is driven some distance the air pressure in the tyre increases,why?

KatRina [158]

Over the course of a long drive, as a result of alternating between braking and acceleration and of course steering, tires get heated up. When this happens, the air within the tires gets heated up, causing the air within the tire to expand. This expanding air exerts force on the tire from inside thus increasing tire pressure.

8 0

3 years ago