Physics High School

The diagram below shows what can happen when light strikes a material.
red light
green
blue light
b
blue glass
red light
X
E
green light
blue light
O Diagram a.
O Diagram b.
O Diagram c.
O Diagram d.

The Diagram Below Shows What Can Happen When Light Strikes A Material.red Lightgreenblue Lightbblue Glassred

Answers

Answer 1

Answer:

I don't understand the question

Explanation:

Related Questions

pls help brainliest if correct

Answers

Hmm lets see.. I think its

Mechanical---->Mechanical---->Electrical

So mechanical from the water, Then mechanical again from the wheel then through the wire which is electrical and it turns the fan on.

What are the velocity and acceleration of the ball at the highest point in its path? What are the velocity and acceleration of the ball at the highest point in its path? V=0,a=0. V=0,a=9.8m/s2up. V=0,a=9.8m/s2down. V=9.8m/supa=0. V=9.8m/sdowna=0

Answers

Answer:

v = 0 and  a = 9.8 m/s²

Explanation:

When an object reaches the highest point, its velocity is equal to 0. After reaching the highest point, it starts to decelerate. The acceleration is in the downward direction and it is equal to g i.e. 9.8 m/s².

So, the velocity and acceleration of the ball at the highest point in its path is 0 and 9.8 m/s² downward.

Hence, the correct option is (d).

What do microorganisms get from soil? What do microorganisms give to soil?

Answers

Answer:

Organic matter decomposition serves two functions for the microorganisms, providing energy for growth and suppling carbon for the formation of new cells. ... Dead plant residues and plant nutrients become food for the microbes in the soil

Explanation:

Which is NOT considered as a property of electromagnetic waves: 5

- Travels at speed of 3 x 10^8 m/s
- Transverse wave
- Transfer energy /information
- Require a medium to propogate

Answers

Answer:

require a medium to propagate

Explanation:

this is because electromagnetic waves can travel through vacuum at the speed of 3.0 x 10^8 m/s

because they don't need particles to transfer energy

hope this helps

An object is placed 12 cm from a convex mirror with a focal length of 5.0 cm. please help.

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Explanation:

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me

Two forces are going in opposite directions each force is 9.
The net force and the direction is?

Answers

Answer:

The net force is zero.

Explanation:

Two opposing and equal forces cancel each other out, giving you a net force of zero.

Please please help me with those questions please please help me

Answers

Explanation:

a) E= fs

b) 2E = mv²

c) E= Mc ²

Taco Bell sells 6 Tacos for $9.00. Del Taco sells 4 tacos for $8.00. is a better deal, because it costs less per taco.

Answers

Answer:

I'd say taco bell is a better deal, because you get more tacos.

Explanation:

but that's just what I think

Taco bell is a better deal if you divide the taco bell 9.00/6 you get 1.5 then if you divide 8.00/4 you get 2 so the Taco Bell would be cheaper per taco

What is the weight of an object a mass of 90.0kg?

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Explanation:

it would be 198.4

you're welcoms

PLEASE HELP ASAP! i will really appreciate it

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What you’re doing is so easy pay attention more I think

How can an electric current produce a magnetic field

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Answer:

When the compass is placed below the wire, and the electric current switched on, the needle deflects in the opposite direction. If an electric current is passed through a long coil of wire (a solenoid ) a magnetic field is produced which is the same shape as that of a bar magnet.

Explanation:

Answer:

a changing electric field creates a magnetic field.

Explanation:

if you have a circuit and you send AC current through (AC = Alternating current) so that the electrons move back and forth, they will create a changing electric field.

This produces a magnetic field (because that's what the universe does).

The mass of an object is the measure of what characteristic of the object?
O A. its volume
OB. the space it occupies
OC, the amount of matter it has
OD. its weight

ANSWER PLZ

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Answer:

C. The amount of matter it has

Potential energy = 0 J Kinetic energy =

Answers

Answer:drfdcfrfvgtgy6hbhhbhyg vcfrfr5tgvcfrtg vcdftghegthetrgbdgtthethe3thet

Explanation:

Sdwerftyrujtnyhbvcrdefgswthyujdehrtgfyhrjfuygtdhjueyrtgehwu3y4tgrehjwheyrgdhbnsjhfgvbdnhgfdhjsdehbrvbdensdvfgreyhsdgrftyhedggrfdhsgfv

Describe the relationship between frequency and wavelength.

Answers

Answer:

frequency is equal to the wavelength multiply by the speed of light

Explanation:

wavelength multiply by the speed of light Will give you the frequency

Which of the following objects has kinetic energy?
A) A diver standing on a diving platform.
B) A hockey puck gliding across the ice.
C)an archers bow that is drawn back.
D) a runner waiting on the starting blocks.

Answers

Answer:

B

Explanation:

A body has kinetic energy that is moving

Answer:

B - A hockey puck gliding across the ice.

Explanation:

All the other 3 options possess potential energy, where the object stands, sits, or lays where it is. There is only one option that is an example of kinetic energy. And that option is B.

If there are two forces going in the same direction how would you find the net force?

a
add
b
multiply
c
subtract
d
divide

Answers

Answer:

A) Add

Explanation:

Answer:

a. add

Explanation:

Net [anything] is just a fancy way of saying total.

(Note that you would subtract if they were going in opposite directions. (Technically, you would be adding a negative, but that's the same as subtracting.))

Help! I don’t really know what it’s asking

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You have to do the math of each and see which one adds up to 66.5

True or False? Convection in the inner core causes the solid layers like the lithosphere to move and cause earthquakes

Answers

Answer:

True

Explanation:

Hope it help

Mark me as brainliest

Answer:

True

Explanation:

!mark me as brainliest

10 points
A 61.0 kg box is sitting at rest. In order to change the box's state of
motion, Jamie must apply 75.1 Newtons of force on the box. Which of the
following represents a possible value for the force of static friction when
Jamie applied 75.1 Newtons of force on the box? (**hint- you do not need
to do math for this problem) *
A. 71.9 N
B. 75.1 N
C. 85.3 N
D. 133 N

Answers

The answer is B tell me if I am wrong.

A possible value for the force of static friction when  Jamie applied 75.1 Newtons of force on the box is 75.1N. Option B is correct.

For the box sitting on a horizontal surface, the formula for calculating the force on the box along the horizontal based on Newton's law is expressed as;

[tex]\sum F_x=ma_x[/tex]

Since the forces acting along the horizontal are the frictional force and moving force, the formula above will become;

[tex]F_m-F_f=ma_x[/tex]

Since the body is static, hence [tex]a_x=0m/s^2[/tex], the equation becomes;

[tex]F_m-F_f=m(0)\\F_m-F_f=0\\F_m=F_f[/tex]

Given the force Jamie apply on the box to be 75.1Newtons, this shows that the moving force is 75.1N. Hence;

[tex]F_m =F_f=75.1N[/tex]

Hence a possible value for the force of static friction when  Jamie applied 75.1 Newtons of force on the box is 75.1N

Learn more on friction here: https://brainly.com/question/11435018

I'll mark brainiest if you help me

Answers

question 4 is true, question 5 is B.

Will the sun explode in future?​

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Answer:

Explanation:

The Sun won't explode. ... Eventually (in five or seven billion years time), the Sun's life will come to an end. Our star will swell up, becoming something called a “Red Giant” star. It might even get so big that it swallows the Earth whole.

I don’t get this pls help

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Answer:

What do you need help with?

where’s the question

PLEASE HELP I'LL MARK BRAINLIEST ​

Answers

Answer:

B

Explanation:

(Physical Science) What is the wavelength of light waves if their frequency is 5.0 x 10^14 Hz and the speed of light is 3 x 10^8 m/s?

Answers

Explanation:

Wavelength = speed of light/frequency

Answer is

[tex]6 \times {10}^{ - 7} [/tex]

What is the unit for molar mass?

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Answer:

kilogram per mole

Explanation:

ffdddddfsds

Answer: g/mol

Explanation:

12. In which of the positions shown in the picture, will Joshua have both potential and kinetic energy?​

Answers

Answer:

Answer: D. Only R

Explanation:

The Principle Of Conservation Of Mechanical Energy

In the absence of friction, the total mechanical energy is conserved. That means that

Em=U+K is constant, being U the potential energy and K the kinetic energy.

At the top of the path (point Q), Joshua is at rest but his height is at a maximum. Thus his kinetic energy is zero.

At point P, Joshua is at the minimum level (potential energy zero) and his speed is at a maximum.

At point R, Joshua has some height and some speed which means he has both types of energy.

Answer: D. Only R

WILL GIVE BRAINLIEST!!! Over and over, the cycle of rock sinking and rising takes place due to convection currents in Earth. One full cycle takes millions of years. What forces drive the convection currents that cause this cycle to take place?
Group of answer choices

heating from the crust and mantle

heating from the core and mantle

cooling from the crust and core

cooling from the core and mantle

Answers

Answer: Heating from the crust and mantle.

Explanation: Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. These currents cause the movement of the tectonic plates that make up the earth's crust.

The convection currents that cause this cycle to take place is driven by heating from the crust and mantle. Hence, option (a) is correct option.

What is rock cycle?

A crucial idea that illustrates the changes between the three primary rock types is the "rock cycle" (metamorphic, igneous and sedimentary). Simply put, it is a series of processes that create and modify the various types of rocks found in the Earth's crust.

The solid crust of Earth serves as a heat insulator for the planet's warm interior. The molten rock in the mantle, below the crust, is known as magma. Convection currents are created by the intense heat and pressure that exists within the earth. The tectonic plates that make up the earth's crust shift as a result of these currents.

Learn more about rock cycle here:

https://brainly.com/question/29767269

#SPJ2

The net force acting on this object is 200N to the left. What is the force of friction and air resistance combined if the thrust force is 500N?

Answers

Answer:

Explanation:

Force of friction and air resistance  acts against the external force . Let it be f .

net force = external force - frictional force and air resistance

Putting the given values

200 = 500 - f

f = 500 - 200 = 300 N .

Hence force of friction = 300 N .

in which phenomenon does light act as particles

Answers

Answer:

blackbody

Explanation:

A projectile is sitting on top of a cliff that is 250m above ground. The projectile is
launched with a horizontal speed of 25m/s

(a) How far from the base of the cliff did the projectile “land?”

(b) What is the vertical speed of the projectile when it lands [just before it hits
the ground]?

(c) How long did it take the projectile to reach the ground?

Answers

a. 178.5 m

b. 69.97 m/s

c. 7.14 s

Further explanation

Given

height = 250 m

vox = 25 m/s

Required

distance from base

vertical speed(vy)

time to reach ground

Solution

voy = 0

h=voy.t + 1/2 gt²

h = 1/2gt²

250 = 1/2.9.8 t²

t=7.14 s

x = vox.t

x = 25 x 7.14

x = 178.5 m

vy = voy + gt(voy=0)

vy = 9.8 x 7.14

vy = 69.97 m/s

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