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pav-90 [236]
3 years ago
14

Ionic compounds have high melting points because a lot of energy is needed to break the bonds between the ions.

Physics
2 answers:
velikii [3]3 years ago
5 0
Its true the ionic compounds have a higher melting point
leva [86]3 years ago
5 0

Answer:

True

Explanation:

The ionic compounds have a high melting point because the ionic bond consists in the donation of the electrons from the metallic ion to the non-metallic ion due to the difference in electronegativity. Because of this, the ion core of the elements of this compounds are very close to each other, having a strong bond between all the speciements, therefore elevating the melting point.

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Help!!! What is the kinetic energy of a 0.1kg baseball thrown at 20m/s? With work please
True [87]

Kinetic Energy = 1/2 * mass * velocity^2

Mass = 0.1 kg

Velocity = 20 m/s

Kinetic energy = 1/2 * 0.1 * 20^2

Kinetic energy = 1/2 * 0.1 * 400

Kinetic energy = 20 J

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How do you measure the wavelength of a wave?
antiseptic1488 [7]

Answer: velocity divided by frequency

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bagirrra123 [75]

Answer:

0.650

Explanation:

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Your cat "Ms." (mass 7.00 {\rm kg}) is trying to make it to the top of a frictionless ramp 2.00 {\rm m} long and inclined upward
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4 0
3 years ago
Student swings a small rubber stopper attached to a string over her head in a horizontal, circular path. The string is 1.50 mete
harkovskaia [24]

Answer:

v = 18.84 m/s

Explanation:

Given that,

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The rubber stopper makes 120 complete circles every minute.

Since, 1 minute = 60 seconds

It means, its frequency is 2 circles every second.

Let we need to find the average speed of the rubber stopper. It can be calculated as follows :

v=\dfrac{d}{T}

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