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DanielleElmas [232]
3 years ago
12

A satellite is in circular orbit 1000 miles (1.61 x 10 m) above the Earth. How long does it take this

Physics
1 answer:
Sergeeva-Olga [200]3 years ago
8 0

Answer:90 mins

Explanation:

majority of artificial satellites are placed in LEO, making one complete revolution around the Earth in about 90 minutes.

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In some plants, the pistils don’t Form until a few days after the stamens do.How might this keep a plant from self pollinating
KATRIN_1 [288]

For a flower to be pollinated, pollen from an anther (which is located at the top of the stamen) needs to reach a stigma (at the top of the pistle.) Some plants are genetically capable of pollinating themselves if their own pollen reaches their own stigma; some plants are not capable of self pollination under any circumstances.

For plants that can genetically self pollinate, but would prefer not to, they can avoid this by having their pistil and pollen/stamens mature at different times. If the stamens mature first, the pollen will be dispersed by animals or wind or whatever dispersal mechanism it relies on. Then by the time the pistil is ready to be pollinated, there is no pollen left in that flower to land on the stigma.

3 0
3 years ago
A cobalt atom contains 27 protons, 32 neutrons, and 27 electrons. What is
kirza4 [7]
32? I could be wrong but I’m going with that answer choice
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2 years ago
A truck skids for a distance of 25 m with the road pushing on its tires with force of 1500 N as its brakes
MakcuM [25]

Answer:-6800J

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Rewritten as a negative when brake/stop -6800

6 0
3 years ago
Read 2 more answers
F each fission reaction in a nuclear reactor emits three neutrons, how many neutrons are produced from three fission reactions?
IrinaK [193]

The Three fission reactions will produce nine neutrons

<h3>Meaning of Fission</h3>

Fission can be defined as a nuclear process that involves the breaking of a whole nuclear matter into smaller bits.

In a fission reaction, the matter is broken down into simpler bits.

In conclusion, The Three fission reactions will produce nine neutrons

Learn more about fission:brainly.com/question/3992688

#SPj1

8 0
2 years ago
Why can’t solids flow
Annette [7]

Answer:

basically they have too much mass in them

Explanation:

They are held tightly together by strong forces of attraction. They are held in fixed positions but they do vibrate. Because the particles don't move, solids have a definite shape and volume, and can't flow. Because the particles are already packed closely together, solids can't easily be compressed.

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3 years ago
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