3 years ago

When rockets split do they come back to earth?

1 answer:

4 0

I'm not 100% sure, but I believe what you mean is when they eject the old propulsion motors. Yes, they land in the ocean and the US Navy retrieves them for later use.

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What does the term mccarthyism describe? To whom does it refer?

kolbaska11 [484]

<span>Mccarthyism describes a political witchhunt, specifically refers to Sen. McCarthy's cold war era congressional commitees whose aim was to investigate and "out" or reveal individuals with communist "sympathies".</span>

6 0

3 years ago

If you use a 40x objective to magnify a slide, the image you see through the eyepiece will be magnified how much times?

sammy [17]

4x time 10x (I think)

Here, this will help-
http://www.cas.miamioh.edu/mbiws/microscopes/Magnification.html#totalmagnification

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2 years ago

How is an image formed by a plane mirror

masha68 [24]

Is always virtual (meaning that the light rays do not actually come from the image), upright, and of the same shape and size as the object it is reflecting. A virtual image is a copy of an object formed at the location from which the light rays appear to come.

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2 years ago

You are traveling on a plane trip from Washington, D.C. to Cleveland, Ohio and the plane uses 1,260 MJ/passenger trip. If you ma

forsale [732]

Answer:

8.87 gallons of kerosene

Explanation:

Step 1: Given and required data

Energy to travel by plane per passenger trip: 1,260 MJ/passenger trip

Energy per gallon of kerosene: 142 MJ/gal

Step 2: Calculate how many gallons of kerosene it takes to make the trip by plane

We can calculate the amount of kerosene required by combining the factor provided in Step 1.

1 gal/142 MJ × 1,260 MJ/passenger trip = 8.87 gal/passenger trip

8.87 gallons of kerosene are required to make the trip by plane.

3 0

3 years ago

Compounds are only formed and broken apart by blank?

ELEN [110]

I think the answer your looking for is chemical reactions

6 0

3 years ago