PHYSICS HIGH SCHOOL

Evan drew a diagram to illustrate radiation what do the arrows represent

A. Gases missing with particles

B. liquid moving through a vacuum

C. moving Particles

D. Electromagnetic waves
Evan drew a diagram to illustrate radiation what do the - 1

Answers

Answer 1
Answer:

The correct answer to the question is D. Electromagnetic waves.

EXPLANATION:

As per the diagram, the radiations are emitted by sun is coming to earth.

The radiations coming from sun is electromagnetic in nature. It does not require any medium for its propagation. It travels a long distance in vacuum or space to reach earth.

It contains both electric field and magnetic field which are perpendicular to each other and also normal to the direction of propagation. The diagram shows that the wave is moving in the form of crests and troughs.

If we consider the wave nature of radiation, then it is one way of transportation of thermal energy from sun to earth which is known as radiation.

Hence, the arrows drawn in the figure is electromagnetic waves.
Answer 2
Answer: The answer would be D, electromagnetic waves

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A 4 kg vase sits on a shelf at a height of 1.2m. How much gravitational potential energy is added tot eh base when it is lifted to a shelf of height 1.4 m?

Answers

Gravitational Potential Energy = mgh

In this case the gravitational potential energy added is that as a result of the change in height.

           = mgΔh                g ≈ 9.8m/s²

           = mg(h₂ - h₁)
 
           = 4*9.8*(1.4 - 1.2)

           = 7.84J

GPE added = 7.84J

Answer:

7.84 J

Explanation:

Which most likely could cause acceleration? Check all that apply.a flat road
wind
water movement
a hill
a stop light
*can be multiple answers*

Answers

Answer  

Wind  

Water movement  

A hill

Explanation.  

The question does not specify it is the acceleration of what is to be accelerated. So my answer will be general. Acceleration is the change of velocity with time.  

Wind can cause acceleration of sound. If the sound is travelling in the direction of sound, its speed wound increase. The reverse is also true.  

Water movement can also cause acceleration. When a bout is moving in the direction of water movement, then it will be expected that the resultant speed of the bout to be higher. If the bout was moving against the water movement, its speed would be decreased.  

A hill would reduce the speed of a moving vehicle. This is also an acceleration that is negative (deceleration).  

A stop light and a flat road cannot cause acceleration.  

List 3 examples behaviors of solid and the 3nwrgy associated with them​

Answers

Answer:

retains a fixed volume and shape

rigid - particles locked into place

not easily compressible

little free space between particles

does not flow easily

rigid - particles cannot move/slide past one another

Explanation:
Sure! Here are three examples of behaviors of solids and their associated energies:

1. Behavior: Solids have a definite shape and volume.
Energy: Solids possess potential energy due to the arrangement of their particles.

2. Behavior: Solids are rigid and maintain their shape when subjected to external forces.
Energy: Solids exhibit elastic potential energy when deformed and can store mechanical energy.

3. Behavior: Solids have a fixed melting point at which they transition to a liquid state.
Energy: Solids require thermal energy (heat) to overcome intermolecular forces and transition to a liquid state.

The horsepower unit is commonly used to indicate the power rating of household appliances.

Answers

No it isn't.
The power rating of household appliances
is (always ?) indicated in watts.
1 horsepower = 746 watts.

Answer:

Watts

Explanation:

You are running late to meet a friend at the movies. She calls to ask where you are. What would you be describing if you told her you were 20 meters away from the movie theatre at that moment?A. your length
B. your vector
C. your position
D. your displacement

Answers

The correct answer is actually C. your position

JUST TOOK THE QUIZ AND GOT IT CORRECT
you would be describing your length

How does the current values in and out of the battery compare to the sum of currents going through the light bulbs?Note: This is for Parallel circuits.
​

Answers

The current values in and out of the battery is going to be equal to the sum of the currents going through the light bulbs. In a parallel circuit, the current is divided as it enters different branches and light bulbs. However, the amount of current leaving the battery is always going to be the same as the amount of current entering the battery. Therefore, while current divides in a parallel circuit, the total amount of current always remains the same.
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