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slavikrds [6]
3 years ago
15

List any similarities between discovered exoplanets and planets in our solar system.

Physics
1 answer:
gregori [183]3 years ago
3 0

Answer:

1. Revolve around a point

2. Formed from dust and gas particles

3. Exoplanets and associated star orbit a common center of mass  

4. Composed of gases found in Jupiter and Saturn

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What method is used to find the number of neutrons in an atom?
Ugo [173]

Answer:

B

Explanation:

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3 years ago
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What happens to the density of gas when it compressed
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When a gas is compressed, its particles are pushed closer together so it is more dense.
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What is the gravitational potential energy of a 150 kg object suspended 5m above the Earth's surface
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The gravitational potential energy referred to the ground level is given by
U=mgh
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3 years ago
Mason notices that his boat sinks lower into the water in a freshwater lake than in the ocean. What could explain this?
suter [353]

<u>Answer </u>

D. Salt water is denser than freshwater.

<u>Explanation</u>

A boat is able to float on water because it experiences an upthrust upwards.

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When the liquid is denser the boat will experience a great upthrust as compared to when in a less dense liquid.

If the boat sinks lower in the freshwater than in salty water, then Salt water is more dense than freshwater.



5 0
3 years ago
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Wheel A has a radius of R and wheel B has a radius of 2R. Wheel A has all the mass at the rim, while wheel B has the mass unifor
azamat

Answer:

Wheel A.

Explanation:

The lesser the moment of inertia, the greater the angular acceleration. Then, the moments of inertia of each wheel are described below:

Wheel A

I_{A} = M\cdot R^{2}

Wheel B

I_{B} = \frac{1}{2}\cdot M \cdot (2\cdot R)^{2}

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The wheel A accelerates faster in response to the torque.

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