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Vladimir [108]
2 years ago
10

What are the 7 types of waves?.

Physics
1 answer:
Alexandra [31]2 years ago
5 0

The seven types of waves are radio waves, microwaves, infrared, visible,  ultraviolet rays, x-rays and gamma rays.

The electromagnetic spectrum is a broad spectrum consisting of various waves. It contains very long radio waves to very short gamma rays. However, the human eye can detect only a small portion of this spectrum called as visible light.

The other waves that are invisible to the eye have their applications in various fields.

For example, radio waves have the longest waves on the spectrum and are said to have lowest energy. An MRI machine uses these waves to see tissues and bones up close.

To know more about waves:

brainly.com/question/12275208

#SPJ4

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A car of mass 1800 kg collides with a truck of mass 5200 kg, and just after the collision the car and truck slide along, stuck t
kupik [55]

Explanation:

Elastic collision is said to occur if the total kinetic energy is not conserved and if there is a rebound after collision

Step one

Analysis of the problem

Immediately after impact the car's velocity was zero making it a perfect elastic collision

Step two

Given

Mass of car M1=1800kg

Mass of truck M2=5200kg

Initial velocity of Car U1=44m/s

Initial velocity of truck U2=21m/s

Final velocity of car V1= 0m/s

Final velocity of truck V2=20m/s

Step three

According to the principle of conservation of momentum

Total momentum before collision

=M1U1+M2U2

Total momentum after impact

=M1V1+M2V2

M1U1+M2U2 =M1V1+M2V2

Substituting our data into the expression we have 1500*44+5800*21=1500*0+5800*20

=66000+1218000=11600

1284000=11600

From the solution the momentum before impact is 1284000Ns

Momentum after impact is 11600Ns

This is indicating that after impact there was loss in momentum as a result of the car having a velocity of zero

8 0
4 years ago
What is the dimensional formulae of "Mass per unit Area"?
Snowcat [4.5K]

Answer&Explanation:

Since dimensional formula is the way of expressing physical quantity in terms of it's dimension;

Mass per unit area will be,,

Mass=M

Area=L×L=L²

Therefore dimensional formula is=ML^-2 and not M/L²

5 0
3 years ago
How does society shape reality?
Sati [7]
Society shapes us through our gender, it dictates what jobs would be suitable for us, what we should wear, how we should look, who we are to socialise with and what is acceptable or not.
7 0
4 years ago
Some basic guidelines for safe PRE ?
artcher [175]

Answer: stretch when your muscles are already warm

don't rush through a stretching routine.

slowly ease into position and hold stretch smoothly in order to adequately release tension

breath normally through stretch

stretch each major muscle group together in full range of motion

Explanation: warmth provides stretch with east, cold stretching causes more strain and possible injury

oxygen is delivered to the muscles during proper breathing technique

5 0
4 years ago
A bicycle rides in a straight line at 1 km at 10<br> km/h and then another 1 km at 25 km/h
elixir [45]

Answer:

17.5

Explanation:

1+1=2

2/2=1

10+25=35

35/2=17.5

3 0
3 years ago
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