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timama [110]
3 years ago
6

Which scenario describes a transfer of mechanical energy to heat and sound energy? Question 7 options: A) a very high pitched so

und causing a glass to break B) clapping hands C) talking into a microphone. D) a plant using energy from the sun to create food
Chemistry
1 answer:
Likurg_2 [28]3 years ago
8 0

B

<u>Clapping hands</u>  is a best scenario that describes a transfer of mechanical energy to heat and sound energy

Explanation:

The action of clapping your hands is mechanical hence has mechanical energy. When you clap your hands you make a sound because you cause vibrations in the air around the clapping hands. This is a transformation of the mechanical energy to sound energy. You realize that clapping your hands causes your hands to get warmer. Some of the mechanical energy was also transformed into heat energy.

Learn More:

For more on energy transformation check out;

brainly.com/question/11505666

brainly.com/question/11475287

#LearnWithBrainly

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Answer:

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Explanation:

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What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.3×1015Hz?
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Answer:

We know that

ħf = ф + Ekmax  

where  

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1/s)

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We distinguish that:

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So:

2.14 eV x (1.602x10^-19 J / 1 eV) = 3.428x10^-19 J

So,

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Answer:

5.19x10^-19 J  

Kinetic energy:

In physics, the kinetic energy of an object is the energy that it owns due to its motion. It is defined as the work required accelerating a body of a given mass from rest to its specified velocity. Having expanded this energy during its acceleration, the body upholds this kinetic energy lest its speed changes.

Answer details:

Subject: Chemistry

Level: College

Keywords:

• Energy  

• Kinetic energy

• Kinetic energy of emitted electrons

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