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a_sh-v [17]
3 years ago
12

you happen to visit the moon when some people on earth see a total solar eclipse. who has a better experience of this event, you

or the friends you left behind back on earth
Physics
1 answer:
Vinil7 [7]3 years ago
5 0
The friends left on earth because they can see the total eclipse, where as you are on the moon witnessing sections get dark rather than the whole picture
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A baseball player hits a baseball with a bat. The mass of the ball is 0.25 kg. The ball accelerates at 200 m/s2. What is the for
Brums [2.3K]

Answer:

50N

Explanation:

Force (N) = mass (kg) × acceleration (m/s²)

0.25kg times 200m/s² = 50N

6 0
2 years ago
Hello people ~<br>Sound cannot travel through<br>(a) air<br>(b) water<br>(c) air<br>(d) vacuum​
SVETLANKA909090 [29]

Answer:

Vaccum

Explanation:

  • Sound travels through the particles of different matter
  • In vaccum there is no air so no matter and so no particles .
  • So sound can't travel through vaccum.

You can test it .

  • Take a speaker and keep it inside a bottle ,close it .
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7 0
2 years ago
Read 2 more answers
PLZ FAST Scientific knowledge is both long lasting and always _______.
Montano1993 [528]

Answer:

Answer=Changing......

8 0
2 years ago
Read 2 more answers
A 200 kg wood crate sits in the back of a truck. The coefficients of friction between the crate and the truck are ????s = 0.9 an
Xelga [282]

Answer:

Maximum acceleration of the truck is 5.25 m/s^2

Explanation:

To find the maximum acceleration the truck first we need to calculate friction between truck and wood. Because of wood is not moving, coefficient of c_{s} need to be used for it. Then the formula will be:

F_{s}=c_{s}*200*9.8*cos(20)\\F_{s}=0.9*200*9.8*0.94\\F_{s}=1657.62

1657.62 Newton is the friction.

So force against friction need to be at most 1657.62 N. Then equation will be:

F_{s}=F_{a}+F_{m}\\1657.62=200*9.8*sin(20)+200*a*cos(20)\\1657.62=670.36+187.94*a\\987.26=187.94*a\\a=5.25

Maximum acceleration of the truck need to be 5.25 m/s^2

4 0
3 years ago
_____ have a nearly circular orbit.
WITCHER [35]

The question is poor.

It expects you to choose 'B', but things aren't nearly that simple.

We picture all of the asteroids bunched up in a neat bunch between
the orbits of Mars and Jupiter, with each asteroid following its own
nearly circular orbit.  But many asteroids have wildly non-circular
'eccentric' orbits, sometimes being closer to the sun than the Earth is. 
You know how you hear so much discussion about when did the Earth
get hit by an asteroid ? and when will the Earth be hit by another asteroid ?
and what will happen when the Earth is hit by an asteroid again ?  None
of that would be possible if asteroids all had nearly circular orbits.

We picture comets as having these loooong skinny orbits, spending
most of every orbit waaay out in the solar system, and then dipping
close to the sun for a few days, and then going back waaaay out again. 
But there are also many comets in nearly circular orbits around the sun. 
You never hear anything about them, because you can never see them
without a powerful telescope, and they never do anything exciting. 
So some comets could be a correct answer to this question too.

And since meteoroids are the remains of old comets, and follow the
orbit of the comet that they chipped off from, there are a lot of meteoroids
in circular orbits too, and they could also be a correct answer to this question.

8 0
3 years ago
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