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Kipish [7]
3 years ago
5

What is the Electromagnetic Spectrum? in your own words

Physics
1 answer:
Inessa05 [86]3 years ago
5 0
The electromagnetic spectrum is the system of frequencies that show electromagnetic radiation, respective wavelengths, and photon energies. Some examples of frequencies found on the electromagnetic spectrum are radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays.
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Analyze- is it possible for an object that has a constant negative acceleration to change the direction in which it is moving? E
kompoz [17]
Yes. because if there is a direction taken positive and the object is accelerating negatively it can bounce of a wall and change its direction so through an obstruction can it do that
6 0
3 years ago
Read 2 more answers
when an apple falls towards the earth,the earth moves up to meet the apple.is this true ?if yes,why is the earth's motion not no
stira [4]

Answer:

Yes

Explanation:

Newton's third law

For every action, there is an equal and opposite reaction.

SO if the apple is falling 9.8 m/s2 then the same force is pushing against it.

Hope this helps

6 0
3 years ago
an athlete whirls a 7.00 kg hammer tied to the end of a 1.3 m chain in a horizontal circle the hammer moves at the rate of 1.0 r
ElenaW [278]

Answer:

The answer to your question is a = 1.3 m/s²

Explanation:

Centripetal acceleration is the motion of a body that transverse a circular path.

Data

mass = 7 kg

radius = r = 1.3 m

angular rate = w = 1.0 rev/s

centripetal acceleration = a = ?

Formula

a = rw²

Substitution

a = (1.3)(1)²

Simplification and result

a = 1.3 m/s²

4 0
3 years ago
Water shortages means.no no no links pls <br>​
Ann [662]

Answer:

The lack of sufficient water resources, including a lack of access t safe water supplies, to meet water needs within a region.

Explanation:

3 0
3 years ago
A 75 kg skydiver can be modeled as a rectangular "box" with dimensions 20 cm * 40 cm * 180 cm. what is his terminal speed if he
Zina [86]

Terminal speed=136.7 m/s

the formula for the terminal speed is given by :

V= \sqrt{\frac{2 mg}{\rho a C}}

m= mass=75 kg

a= area=0.2 x 0.4=0.08 m²

ρ= density of air=1.23 kg/m³

C= drag constant =0.8

so V= \sqrt{\frac{2 *75*9.8}{1.23*0.08*0.8}}

v= 136.7 m/s

4 0
3 years ago
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