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2 years ago

Was the Hubble Space Telescope an initial success (explain your answer in one or more sentences)?

1 answer:

4 0

The initial curvature and other settings of the mirrors on the Hubble did not produce good images. Space shuttle missions replaced/corrected the mirrors to give clear images.

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52. How did people spend Life in the<br>hunting age-

kondor19780726 [428]

Answer:

what is the hunting age? i've never heard of it

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3 years ago

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What is the final velocity of a car that starts at 22 m/s and accelerates at 3.78 m/s for distance of 45 m

Pepsi [2]

v^2 = v0^2 +2ad v^2 = 22^2 + 2*3.78*45 = 824.2 v= √824.2 = 28.7 m/s

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3 years ago

Which of the following are not conditions for producing work?

TEA [102]

Answer:D

Explanation:

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3 years ago

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Drug abuse is best defined as __________.

Paul [167]

Answer:

Drug abuse is best defined as the nonmedical or improper use of a drug that can interfere with a healthy life.

For example, a person that is addicted to cocaine will use it everyday, and will develope agressive behavior, anxiety, sleep disorder, paranoia etc.

This person could get addicted at the point of comiting a robbery, killing and much more.

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2 years ago

How does the speed of visible light compare with the speed of gamma rays

DochEvi [55]

Answer:

They are the same

Explanation:

Electromagnetic waves consist of perpendicular oscillations of electric and magnetic field, which oscillate perpendicularly to the direction of motion of the wave (transverse wave). One property of the electromagnetic waves is that they travel in a vacuum always at the same speed, called speed of light:

$c=3.0\cdot 10^8 m/s$

Electromagnetic waves are classified into 7 different types according to their frequency; from highest to lowest frequency, we have:

Gamma rays

X-rays

Ultraviolet

Visible light

Infrared

Microwaves

Radio waves

We see that both visible light and gamma rays are electromagnetic waves, so they both travel in a vacuum at the same speed, the speed of light.

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3 years ago