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jolli1 [7]
4 years ago
9

Plz help True or False. The Electromagnetic Spectrum can be described in terms of wave energy, frequency, and wavelength.

Physics
1 answer:
DanielleElmas [232]4 years ago
5 0
The answer would be c becuase the electromagnetic spectrum is ordered based on wave energy its a have to 

Hoped this helped happy studying
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A piece of stone is thrown up from a height of 25 meters above the ground. after 2 seconds the stone reaches the highest point.
Natasha2012 [34]

Answer:

A. 19.6 m/s

B. 44.6 m

C. 5.0 s

D. -19.6 m/s

Explanation:

At the highest point, the stone's velocity is 0.

A. Given:

v = 0 m/s

t = 2 s

a = -9.8 m/s²

Find: v₀

v = at + v₀

0 = (-9.8)(2) + v₀

v₀ = 19.6 m/s

B. Given:

y₀ = 25 m

t = 2 s

v₀ = 19.6 m/s

a = -9.8 m/s²

Find: y

y = y₀ + v₀ t + ½ at²

y = 25 + (19.6)(2) + ½(-9.8)(2)²

y = 44.6 m

C. Given:

y₀ = 25 m

y = 0 m

v₀ = 19.6 m/s

a = -9.8 m/s²

Find: t

y = y₀ + v₀ t + ½ at²

0 = 25 + (19.6)t + ½(-9.8)t²

0 = 4.9t² − 19.6t − 25

t ≈ 5.0 s

D. Given:

v₀ = 19.6 m/s

a = -9.8 m/s²

t = 4 s

Find: v

v = at + v₀

v = (-9.8)(4) + 19.6

v = -19.6 m/s

The velocity is -19.6 m/s.  If you want the speed, or magnitude of the velocity, take the absolute value: 19.6 m/s.

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4 years ago
What’s the velocity of an 11-kilogram object with 792 joules of kinetic energy?
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We divide the electromagnetic spectrum into six major categories of light, listed below. Rank these forms of light from left to
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electromagnetic spectrum is consisting of many frequency range which is from gamma rays to radio waves

they are of various wavelength and different energy levels

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the list of increasing order of wavelength is as following

Gamma rays < X rays < Ultraviolet < Visible Light < Infrared Waves < Radio Waves

so least to maximum order is

1. Gamma rays

2. X rays

3 Ultraviolet

4 Visible light

5 Infrared waves

6 Radio waves

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According to the big bang theory, after the "bang," the universe remained dark until
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I believe the answer is <span>300,000 years</span>
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A car of mass 800 kg is moving at a uniform velocity of 72 km/hr. Find its
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