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3 years ago

Could someone please explain what makes up the electromagnetic spectrum? Thank you.

2 answers:

4 0

Radio waves, microwaves, infrared waves, visible light, ultraviolet, x-rays, and gamma rays.

-Waves can travel through a vaccum
-These waves radiate in all directions
-travel through speed of light
-they are transverse waves
-they are made by interaction between an rlectric and a magnetic field.

These are the main points. I hope this will help you! ❤️.

faust18 [17]3 years ago

3 0

These types include gamma rays, x-rays, ultraviolet, infrared, microwaves and radio waves. Together with visible light, all these types of radiation make up what we call the electromagnetic spectrum - the complete spectrum of radiation.

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What are the standard units of length, mass, and volume in the<br> metric system?

antoniya [11.8K]

Answer:

Meter, Gram and Liter.

Explanation:

In the metric system, the standard units for the below are;

Length - Meter

Mass - Gram

Volume - Liter.

8 0

3 years ago

A car of mass 900 kg is traveling at 20 m/s when the brakes are applied. The car then comes to a complete stop in 5 s. What is t

ollegr [7]

Answer:

A. 36,000 W

Explanation:

$m$ = mass of the car = 900 kg

$v_{o}$ = Initial speed of the car = 20 m/s

$v_{f}$ = Final speed of the car = 0 m/s

$W$ = Work done by the brakes on the car

Magnitude of work done on the car by the brakes is same as the change in kinetic energy of the car.hence

$W = (0.5) m (v_{o}^{2} - v_{f}^{2})\\W = (0.5) (900) ((20)^{2} - (0)^{2})\\W = 180000 J$

$t$ = time taken by the car to come to stop = 5 s

$P$ = Average power produced by the car

Average power produced by the car is given as

$P = \frac{W}{t} =\frac{180000}{5} \\P = 36000 W$

8 0

3 years ago

A proton enters a magnetic field (B = 5.00 x 10^-2 T INTO THE PAGE) with

poizon [28]

Answer:

r = 1.16 m

Explanation:

It is given that,

Magnetic field, $B=5.6\times 10^6\ m/s$

Velocity of proton, $v=5.6\times 10^6\ m/s$

We need to find the radius (in m) of the circular path the particle will follow when it is travelling within the magnetic field. The radius followed by the proton is given by :

$r=\dfrac{mv}{qB}$

m is mass of proton, $m=1.67\times 10^{-27}\ kg$

So,

$r=\dfrac{1.67\times 10^{-27}\times 5.6\times 10^6}{1.6\times 10^{-19}\times 5\times 10^{-2}}\\\\r=1.16\ m$

So, the radius of circular path is 1.16 m.

5 0

3 years ago

Where is the positive charge found in the atom

Minchanka [31]

Answer:

It is found in the Atomic Nucleus

Explanation:

PLEASE MARK ME BRAINLIST PLEASE

4 0

4 years ago

Read 2 more answers

When plug prongs are connected to the metal case of an appliance, a part that should always be placed next to the case is a

Zielflug [23.3K]

The correct answer is (d.) mica washer. When a plug prongs are connected to the metal case of an appliance, a part that should always be placed next to the case is a mica washer. Mica washer are used as a window for any radiation detectors.

6 0

3 years ago