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3 years ago

When a wave strikes a solid barrier it behaves like a basketball hitting a backboard this wave behavior years called?

Physics

2 answers:

nignag [31]3 years ago

8 0

The answer is Reflection

Alex73 [517]3 years ago

6 0

This property of a wave is reflection.
Reflection of a wave is the process by which waves such as light, sound , infrared, or radio waves, hits and object and bounces off it. It is the change in direction of a wave front at an interface between two different media so that the wavelength returns into the medium of origin. From the law of reflection for a specular reflection the angle at which the wave is incident on the surface is equal to the angle at which it is reflected.

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What is lighting and lighting conductor

Igoryamba

Answer:

Lightning is a process that occurs when the positive and negative charges present in the cloud build up in such a manner that a spark of lightning occurs between the two of them in the cloud. ... A metal rod placed on top of a building to protect it from a lightning strike is known as a lightning conductor.

Explanation:

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2 years ago

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An object must move in the (same or different) direction as the force is being applied.

Marta_Voda [28]

Answer:

only reason an object will move in a different direction to the net force on it is because of its prior momentum and it will always accelerate in the direction of the force if thats what u mean.. lol

Explanation:

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1 year ago

Heat is added to a 2kg piece of ice at a rate of 793kW. How long will it take for ice to melt if it was initially 0?

Ede4ka [16]

Answer:

0.84 s

Explanation:

Step 1

Given information:

Mass of the ice (m) = 2.0 kg

Heat transfer rate (Q/T) = 793.0 kW

Latent heat of fusion of ice (Lf) = 334 kJ/kg

$\frac{Q}{T} = \frac{mLf}{T}$

Substituting the corresponding values we have:

$793.0 kW= \frac{2.0kg(334 kJ/kg)}{T} \\ T = \frac{2.0kg(334 kJ/kg)}{793.0kW} = \frac{668kJ}{793kW} \\ = 0.84s$

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2 years ago

Alex want to test factors that affect the reaction rate of sugar in water

miv72 [106K]

This aint even a question

7 0

2 years ago

How much does the earth/sky weigh?

Talja [164]

Calculated weight (by experimentally) of Earth is 5.972 × 10²⁴ N

Hope this helps!

6 0

2 years ago