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Pavel [41]
4 years ago
5

What is a standing wave

Physics
1 answer:
viktelen [127]4 years ago
7 0

Standing waves occur when the interceptions betweem waves in a vibration remain the same trough out the "wave chain".

→ The image below might help you understand better.



Hope it helped,



BioTeacher101

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Match the following terms. plz help. WILL GIVE BRAINLIEST
siniylev [52]

Hi!


1. R-Value - a standardized rating for insulating materials

R value is essentially the measure of the resistance to the conductive flow of heat that is determined by the thickness of a material. Different materials are allocated different R values in accordance with the degree of insulation they offer, such as a window, or a wall. It can be said to be the degree of insulation a layer of material offers, and the greater the R value, the higher the resistance it offers to the flow of heat, meaning better the insulation


2. Thermal Equilibrium - when two materials in contact are at the same temperature

Thermal equilibrium is a state when there is no net flow of thermal energy between two materials that are in contact through a pathway that offers thermal conductivity, or in more simple terms permeable to heat. If the temperature of a system is temporally and spatially consistent, the system is said to be in a thermal equilibrium.


3. Insulation - any material that reduces loss of energy due to heat flow

Insulation is when a material prevents the flow or passage of thermal energy or stops heat flow by some degree from one environment to another. For instance, a blanket offers insulation to the body by impairing the flow of heat from the body to the surrounding air. The greater the insulation, the less would be the flow of heat or thermal energy from one place to another.

4. Thermal Conductivity - a physical property of materials that relates its ability to conduct thermal energy

Thermal conductivity is a property of a material that deals with its ability to conduct heat, or thermal energy. The higher the thermal conductivity of a material, the greater would be the heat transfer within the material. For instance, a metal has a higher thermal conductivity that wood, meaning wood allows a lower transfer of heat through it. This is the reason why most cooking utensils such as spatula have a wooden base, instead of a metallic base.


Hope this helps!


7 0
3 years ago
I need help please .....
arsen [322]

Answer:

Explanation:

All of the energy in the pendulum is kinetic energy and there is no gravitational potential energy. However, the total energy is constant as a function of time.

3 0
3 years ago
What is a Harmful mutation
kompoz [17]
By the same token, any random change in a gene's DNA is likely to result in a protein that does not function normally or may not function at all. Such mutations are likely to be harmful. Harmful mutations may cause genetic disorders or cancer. ... Cancer genes can be inherited
5 0
3 years ago
A student solving a physics problem to find the unknown has applied physics principles and obtained the expression: μkmgcosθ=mgs
BaLLatris [955]

Answer:

\mu_k=\dfrac{gsin\theta -a}{gcos\theta}

Explanation:

g = Acceleration due to gravity = 9.80 m/s²

a = Acceleration= 3.6 m/s²

\theta = Angle = 27°

The equation is

\mu_kmgcos\theta=mgsin\theta -ma

Mass gets cancelled

\\\Rightarrow \mu_kgcos\theta=gsin\theta -a

Rearranging for \mu_k

\\\Rightarrow \mu_k=\dfrac{gsin\theta -a}{gcos\theta}

The simplified expression is

\mathbf{\mu_k=\dfrac{gsin\theta -a}{gcos\theta}}

*the options are incomplete. The above answer is the required solution

4 0
3 years ago
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