Explain the energy transformations necessary for turning on a Chromebook. Your description should have at least three types of energy being described.You may want to talk about the different parts of the Chromebook,such as:

Plug
Battery
Light

PLZ HELP THIS IS DUE TODAY!!

Answers

Answer 1

Answer:

Answer:

First, you need to charge the battery.

You do this by connecting the device to the electricity, in this way you can store the energy, that comes in form of electric energy, in the battery, that stores the energy in form of chemical energy.

When you push the "ON" button, the energy stored in the battery starts to run in the device, in form of electrical energy, in this way it reaches all the components and the computer is fully turned on.

At this moment the Chromebook turns on its screen, producing luminous energy (so consumes the electric energy that comes from the battery, and turns it into luminous energy).

There are other transformations, for example, in the cooler (the small fan inside the device) there is a transformation from electrical energy to mechanical energy (because the fan is rotating now).

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A pencil is dropped from the roof of the school what is the speed after 3s down is the negative direction.I'm confused on what equation to use

Answers

On Earth, the acceleration due to gravity is (-9.8 meters per second) per second.

If the school, the roof, and the pencil are on Earth,
then after 3 seconds, the pencil's speed is

[ (-9.8 meters per second)/second ] times [ 3seconds ] = -29.4 meters per second

you have to use 1st equation of motion v = u +at as distance(s) is not given.....
as pencil is dropped from rest therefore u = 0m/s and accleration due to gravity is = -9.8 m/s
v = 0 - (9.8)(3)
v = -29.4 m/s

HELPPPP MEEE!!! 15 POINTSWhich of the following is an example of a way that light can transmit information?

eyeglasses

neon lights

laser welder

bar code scanner

Answers

Answer:

I think it is eyeglasses

Explanation:

I think this because the glasses usually reflect the same thing sometimes and the light passes through really easy

What instrument use lenses or mirrors to collect and focus light from distant objects?

Answers

Optical telescopes do that.

I believe that would be a telescope. not 100% on that but it makes sense to me.

What is the zero error of this vernier caliper ???

Answers

I believe the answer is C. 0.14cm.
The zero error in vernier caliper is read by the distance by which the zero of the movable part of the scale is shifted from the zero of the cm ruler in the tool, which is the unmovable part of the tool. The movable part has a scale accuracy of 0.1 cm, while the other has a scale accuracy of 1 cm. And we always use the lowest scale, which is here the 0.1 scale which has greater accuracy with 10 times the 1 cm ruler, to find our errors.

Hope this helps!

Why do automobiles rust more easily in wet climates than drier climates?

Answers

Wet climates obviously have more water than driers climates. Metals, when subject to water have the tendency to oxidize (rust). Therefore, if water is barely present in a climate, then oxidation is also least likely to occur.

Draw arrows to show how the forces of thrust,drag,and Gravity act on a racing car as it moves forward