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Colt1911 [192]
3 years ago
7

Which of the following devices is based on the property of thermal expansion?

Physics
2 answers:
earnstyle [38]3 years ago
6 0
D. thermometer. The warmer it gets, the more energy the particles gain and the more they move and 'expand', rising up the thermometer.
borishaifa [10]3 years ago
5 0

The correct answer to the question is : D) Thermometre

EXPLANATION:

Thermometre is the device used for measuring the temperature of any substance.

Thermal expansion is the process in which the substance will expand when heat is given to that substance. Thermometre is based on the property of thermal expansion.

Generally, the substance that is used in thermometre is mercury. It expands at a fast rate when a little bit of heat is given to the thermometre.

When the thermometre is connected to any body, the heat will flow from body at high temperature to thermometre. The mercury level rises in the thermometre tube which gives the temperature of that substance under consideration.

Hence, it is the thermometre which is based on thermal expansion.


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SashulF [63]

There are two forces at play:

  • The gravitational force acting downward due to the mass of the bucket and the water that it contains.
  • The upward force that your hand exerts on the bucket.

If the magnitude of the force your hand exerts on the bucket equals the magnitude of the gravitational force, the bucket is in static equilibrium. That means the bucket is not moving and the forces acting on it balance each other out, making the net force 0.

Having 0 net force means the bucket doesn't undergo any acceleration, or change in motion.

5 0
3 years ago
Temperature is a measure of the average ____________ energy of an object's particles. light mechanical potential kinetic
Zielflug [23.3K]
Temperature is a measure of the average kinetic energy of the particles of a substance.
Hope this helps! :)
6 0
3 years ago
Read 2 more answers
The difference between an experimental value and an accepted value is
likoan [24]

Answer:

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3 0
3 years ago
A car travels 200km in 3.0 hours. Determine the average velocity of the car
Masja [62]

Answer:

<h2>66.67 km/hr</h2>

Explanation:

The average velocity of the car can be found by using the formula

a =  \frac{d}{t }  \\

d is the distance

t is the time taken

From the question we have

a =  \frac{200}{3}  \\  = 66.66666...

We have the final answer as

<h3>66.67 km/hr</h3>

Hope this helps you

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N76 [4]
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