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Dovator [93]
3 years ago
7

A new object, Object Z, was discovered outside our solar system. Object Z is made of frozen gases that surround a rocky core and

it travels in a highly elliptical orbit around the sun. The characteristics of Object Z most closely resemble those of other
A. asteroids.
B. dwarf planets.
C. comets.
D. moons.
Physics
2 answers:
FinnZ [79.3K]3 years ago
8 0

That's the familiar description of a comet.

If I were the amateur astronomer who discovered the new comet, then
according to the tradition of the astronomical community, I would have
the privilege of naming it.  I would call it  Comet AL2006/2016. 
Masja [62]3 years ago
8 0

Answer:  C. comets.

Explanation:

  • Asteroids are rocky objects majority of which are found in belt between orbits of Mars and Jupiter. Example: Ceres
  • Dwarf planets are similar in composition to planets and are found in Kuiper belt. Pluto is a dwarf planet.
  • A comet has a solid rocky core surrounded by atmosphere of frozen gases. Comets are present in the outskirts of the solar system and orbit the Sun in an elliptical orbit.
  • Moons are are natural satellites revolving about planets. Example: Titan, Phobos and Deimos etc.

Object Z is made of frozen gases that surround a rocky core and it travels in a highly elliptical orbit around the sun.  The characteristics are similar to ones of comets. Thus, object Z closely resembles a comet.

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How can a 1kg ball have more kinetic energy than a 100kg ball? Explain both using words and by providing a numerical example
MariettaO [177]

1 kg ball can have more kinetic energy than a 100 kg ball as increase in velocity is having greater impact on K.E than increase in mass.

<u>Explanation</u>:

We know kinetic energy can be judged or calculated by two parameters only which is mass and velocity. As kinetic energy is directly proportional to the (velocity)^2 and increase in velocity leads to greater effect on translational Kinetic Energy. Here formula of Kinetic Energy suggests that doubling the mass will double its K.E but doubling velocity will quadruple its velocity:

\text { Kinetic Energy }=\frac{1}{2} m v^{2}

Better understood from numerical example as given:

If a man A having weight 50 kg run with speed 5 m/s and another man B having 100 kg weight run with 2.5 m / s. Which man will have more K.E?

This can be solved as follows:

\text { Kinetic Energy of } \mathrm{A}=\frac{1}{2} 50 \times 5^{2}=625 \mathrm{J}

\text { Kinetic Energy bf } \mathrm{B}=\frac{1}{2} 100 \times 2.5^{2}=312.5 \mathrm{J}

It shows that man A will have more K.E.

Hence 1 kg ball can have more K.E than 100 kg ball by doubling velocity.

4 0
3 years ago
Tell whether each element has a high or low electronegativity : bromine, chlorine, potassium, lithium
finlep [7]

Answer:

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Explanation:

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podryga [215]
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The ozone layer contains high concentrations of ozone relative to other parts of the atmosphere. This was discovered by Charles Fabry and Henri Buisson who are both French Physicists. 

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Explanation:

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3 years ago
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Vanyuwa [196]

I would have to say that 'B' and 'D' are both correct.

Increasing the voltage that you're using to operate a circuit
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