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solmaris [256]
3 years ago
14

an asteroid whose mass is 2.0 x 10^-4 times the mass of earth revolves in a circular orbit around the sun at a distance that is

twice the earth's distance from the sun calculate the period of revolution of the asteroid in years
Physics
1 answer:
Xelga [282]3 years ago
5 0

Answer:

0.0002

Explanation:

First you have to solve exponents first, so you solve 10 to the power of negative 4 which is 0.0001 and now you have 2.0x0.0001 and that equals 0.0002

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Explanation:

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3 years ago
Red light has a _____ wavelength and a _____ frequency than does blue light.
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In a spectrum of visible light, we will see that red appears to have a longer wavelength than the blue light. Since wavelength and frequency are inversely proportional then, red will have a smaller frequency than does the blue light. 
7 0
4 years ago
a 45 kg ice skater initially skating at a velocity of 3 m/s speeds up to a velocity of 5 m/s. calculate the difference in the ma
ad-work [718]

Answer: 90 kgm/s

Explanation:

The momentum (linear momentum) p is given by the following equation:

p=m.V

Where:

m=45 kg is the mass of the skater

V is the velocity

In this situation the skater has two values of momentum:

Initial momentum: p_{1}=m.V_{1}

Final momentum: p_{2}=m.V_{2}

Where:

V_{1}=3 m/s

V_{1}=5 m/s

So, if we want to calculate the difference in the magnitude of the skater's momentum, we have to write the following equation(assuming the mass of the skater remains constant):

p=p_{2}-p_{1}=m.V_{2}-m.V_{1}

p=m(V_{2}-V_{1})

p=45 kg(5 m/s - 3 m/s)

Finally:

p=90 kgm/s

4 0
4 years ago
Read 2 more answers
I WILL MARK YOU THE BRAINLIEST NO LINKS
nasty-shy [4]

yeah it definitely 2 .:) :)

3 0
3 years ago
PLEASE HURRY I'M BEING TIMED
DIA [1.3K]
Top of first hill: 
high PE
low KE

bottom first hill:
low PE
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Friction slows the speed of the roller coaster
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