Sound will not travel through A. A vacuum B. Solids C. Liquids D. Gases

Physics

1 answer:

NARA [144]3 years ago

3 0

Sound will not travel through A vacuum

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Two bullets of the same size, mass and horizontal velocity are fired at identical blocks, only one is made of steel and the othe

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Answer and Explanation:

Since we're discussing shots, the significant thing is the way the energy is changed over as there is deceleration of the bullet to a halt when it hits something.

Kinetic Energy is relative to mass times speed squared, so in reality, the 2 cases given have practically indistinguishable Kinetic energy. The measure of energy is authoritative, so the two cases will do generally a similar harm given, obviously we look at situations when all the kinetic energy is spent.

One contrast that will be effectively obvious is that the weapon in the case of heavy bullet will recoil more.
One can consider energy assimilation as force times separation distance, and energy ingestion as a product of force and time.
Henceforth, the heavier yet more slow bullet with a similar energy will venture to every part of a similar separation in the engrossing material, but since of bigger force, will take a more drawn out time doing it.
It will along these lines, additionally, give a more noteworthy "kick" to the object that absorbs.

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If the box is moving at constant velocity, net force must be zero, so:

F + fr = 0

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How much heat is evolved when 1234 g of water condenses to a liquid at 100.°c?

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During the phase transition vapour --> liquid water, the temperature of the water does not change; the molecules of water release heat and the amounf of heat released is equal to
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Answer:

i think its B

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