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omeli [17]
3 years ago
5

Describe the relationship between temperature and energy

Physics
1 answer:
yKpoI14uk [10]3 years ago
6 0

Answer:

The Temperature is the measure of Average Kinetic Energy  of the molecule in the substance.

Temperature and Kinetic Energy of molecules are related by the equation

= \frac{3}{2} kT

Where

<E> denotes average kinetic energy

k - Boltzmann constant

T - Temperature of the substance

Explanation:

The energy inside the substance is characterised by translational and vibrational motion.

The molecules in a substance have a range of kinetic energies because they don't all move at the same speed. As a substance absorbs heat the particles move faster so the average kinetic energy and therefore the temperature increases.

As the molecules of a substance vibrate faster their temperature increases.

Thus an increase energy corresponds to an increase in temperature

<E> α T (α denotes proportionality)

= \frac{3}{2} kT

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I don’t get this question and i need help!!!
galina1969 [7]

i would say number 2

3 0
3 years ago
A box is dropped onto a conveyor belt moving at 3.2 m/s. If the coefficient of friction between the box and the belt is 0.28, ho
Lemur [1.5K]

Answer:

t = 1.16 s.

Explanation:

Given,

speed of conveyor belt, v = 3.2 m/s

coefficient of friction,f = 0.28

Using newton second law

f = ma

and we also know that frictional force

f = μ N

f = μ m g

equating both the force equation

a = μ g

a = 0.28 x 9.81

a = 2.75 m/s²

Using Kinematic equation

v = u + at

3.2 = 0 + 2.75 x t

t = 1.16 s.

Time taken by the box to move without slipping is 1.16 s.

6 0
3 years ago
A boy with a mouse is 80 kg stands on a scale in an ascending elevator with an acceleration of 3 m/s What is the resultant upwar
Rus_ich [418]

Answer:

Upward force on the boy will be 1024 N      

Explanation:

We have given mass of the boy m = 80 kg

Acceleration due to gravity g=9.8m/sec^2

It is given that elevator is ascending with acceleration of 3m/sec^2

So net acceleration on the boy = 9.8+3 = 12.8 m/sec^2 ( As the car elevator is moving ascending )

So upward force on the boy will be equal to F = m(g+a)

So F=80\times 12.8=1024N

So upward force on the boy will be 1024 N

3 0
3 years ago
Explain how this sand dune was created using the words weathering, erosion, and deposition.
MissTica

By abrasion, the sediment in the wind promotes erosion. The wind scatters sand, sand dunes created. When clay and silt are deposited by the wind. The presence of vegetation ground helps stop wind erosion.

<h3>What  is an erosion ?</h3>

Earthen materials were worn away during erosion, a geological process in which they are moved by water or wind. Weathering, a related process that does not involve movement, dissolves and breaks down rock.

<h3>What is caused by erosion?</h3>

The process through which the Earth's surface ages is known as erosion. Natural forces like wind or glacier ice can create erosion. But when it comes to altering the Earth, nothing compares to a slow, constant movement of water, as anyone who has ever seen a picture of a Grand Canyon will attest.

To know more about Erosion visit:

brainly.com/question/3852201

#SPJ13

5 0
1 year ago
What observations tell you that a car is accelerating
professor190 [17]
When the car moves and makes a sound that is louder that when the car is just sitting there
8 0
3 years ago
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