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solmaris [256]
3 years ago
14

What is the definition of temperature?

Physics
1 answer:
Strike441 [17]3 years ago
8 0

D.the measure of average kinetic energy of molecules of a substance

Explanation:

Temperature is a quantity that measures the average kinetic energy of molecules of substance. It is widely defined as the degree of hotness or coldness of a body.

  • Heat, a form of thermal energy causes temperature changes in a body.
  • This suggests that for the temperature of a body to change the average kinetic energy of the body must change.
  • A body at low temperature has low average kinetic energy for its particles.
  • A high kinetic energy is known for hotter bodies with a high temperature.
  • Temperature is taken with reference to a scale.

Learn more:

Temperature and kinetic energy brainly.com/question/9924094

Heat brainly.com/question/914750

#learnwithBrainly

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A car accelerates at a rate of 5ft/s/s for a time of 9 seconds. How far does the car go?
vlada-n [284]

The car will move in a speed of 45 meter per second

4 0
3 years ago
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Using hooke's law find the elastic constant of a spring that stretches 2 cm when 4newton force is applied to it
Kay [80]

<u>Answer:</u>

2N/cm

<u>Step-by-step explanation:</u>

According to the Hooke's Law, the force required to extend or compress a spring is directly proportional distance you can stretch it, which is represented as:

F=kx

where, F is the force which is stretching or compressing the spring,

k is the spring constant; and

x is the distance the spring is stretched.

Substituting the given values to find the elastic constant  k to get:

F=kx

4=k(2)

k=\frac{4}{2}

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3 0
3 years ago
Can a vector be shorter than one of its components
Sauron [17]
It can never be shorter than a component - magnitude of avector is the square root of the sum of the components squared, and a square function never produces a negative number. However, it can be the same size as its component, if that component is the only one
3 0
4 years ago
Using the rules for the significant figures what do you get when you add 24.545 and 307.3
Tamiku [17]
1
2 4. 5 4 5
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4 0
3 years ago
Consider a double slit experiment in the air. The wavelength of light is 500nm light, the screen is 1m away and two adjacent bri
Bess [88]

Answer: 0.75\ cm

Explanation:

Given

Wavelength of light \lambda=500\ nm

Screen is D=1\ m away

Distance between two adjacent bright fringe is \Delta y=\dfrac{\lambda D}{d}

When same experiment done in water, wavelength reduce to \dfrac{\lambda }{\mu}

So, the distance between the two adjacent bright fringe is \Delta y'=\dfrac{\lambda D}{\mu d}

Keeping other factor same, distance becomes

\Rightarrow \dfrac{1}{\frac{4}{3}}=\dfrac{3}{4}\quad \text{Refractive index of water is }\dfrac{4}{3}\\\\\Rightarrow 0.75\ cm

3 0
3 years ago
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