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Elena-2011 [213]
4 years ago
15

5 The frequencies of AM radio waves,

Physics
1 answer:
aleksklad [387]4 years ago
5 0
Message me back and I can help you.
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How do scientists know the continents were once closer than they are today? Explain your answer in 2-3 complete sentences.
WITCHER [35]

Answer:

Continental drift describes one of the earliest ways geologists thought continents moved over time. Today, the theory of continental drift has been replaced by the science of plate tectonics. 

 

The theory of continental drift is most associated with the scientist Alfred Wegener. In the early 20th century, Wegener published a paper explaining his theory that the continental landmasses were “drifting” across the Earth, sometimes plowing through oceans and into each other. He called this movement continental drift. 

6 0
3 years ago
You toss a ball into the air and note the time interval between the ball leaving your hand and reaching its highest position. Wh
lawyer [7]

Answer:

It is longer

Explanation:

According to the theory of special relativity, moving clocks run slower. So, the construction worker moving at a constant speed observers a time much longer than the time I observe since I am stationary. If t is the time observed by me and v is the speed of the construction worker, then, the time observed by the construction worker, t' is given by

t' = t/√[1 - (v/c)²] where c = speed of light

So, the construction worker reports a longer time interval than me since his time runs slower.

8 0
3 years ago
A rocket traveling at 150 m/s is accelerated for 15 seconds at a rate of 4.5
Dmitrij [34]

Answer:

a) vf = vi + at

Explanation:

a) vf = vi + at

7 0
3 years ago
How does the wind turbine generator work?
AnnZ [28]

Answer: wind pushes directly against the blades of the turbine, which converts the linear motion of the wind into the rotary motion, then it spins the generator's rotor and the harder the wind pushes, the more electrical energy can be generated.

Explanation:

5 0
3 years ago
Xander was traveling at a final velocity of 4.5 m/s for 3.5 seconds. Finley was traveling at a final velocity of 3.6 m/s for 4.2
Dima020 [189]

the answer is Finley, Xander, Max

5 0
3 years ago
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