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Anestetic [448]
3 years ago
15

Choose the correct answer from the given alternatives

Physics
1 answer:
Black_prince [1.1K]3 years ago
8 0

Answer:

d

Explanation:

cggbhhgffffggdfvvcdfh

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What is threshold of hearing?
gavmur [86]

Explanation:

<em>The absolute threshold of hearing is the minimum sound level of a pure tone that an average human ear with normal hearing can hear with no other sound present. The absolute threshold relates to the sound that can just be heard by the organism.</em>

5 0
3 years ago
A piston absorbs 25 J of heat from its surroundings while expanding from
Ivahew [28]
  • The work done is -30 J
  • The heat is 25 J

<h3>What is the heat and the work?</h3>

We know that the work done by a gas could be positive or negative same as the heat. If the work done is positive then work is done on the system.

The work done is obtained from;

W = PΔV

W =  1.0 x 105 Pa(0.0006 m³ - 0.0003 m³)

W = 30 J

Given that the gas absorbs heat from the surroundings and the gas is expanding.

  • The work done is -30 J
  • The heat is 25 J

Learn more about work done on a gas:brainly.com/question/12539457

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6 0
1 year ago
The electron beam inside a television picture tube is 0.40 {\rm mm} in diameter and carries a current of 50 {\rm \mu A}. This el
Harrizon [31]

Answer:

A.3.13x10^14 electrons

B.330A/m²

C.9.11x10^5N/C

D. 0.23W

.pls see attached file for explanations

8 0
3 years ago
Small paragraph explaining how how potential and kinetic energy are related
weeeeeb [17]

Answer:

Kinetic energy is energy possessed by a body by virtue of its movement. Potential energy is the energy possessed by a body by virtue of its position or state. While kinetic energy of an object is relative to the state of other objects in its environment, potential energy is completely independent of its environment.

Explanation:

4 0
3 years ago
Read 2 more answers
Why is the monolith el capitan in yosemite national park more resistant to erosion than other igneous plutons in the park?
Harman [31]
Because it is intact and unfractured
4 0
3 years ago
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