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DerKrebs [107]
3 years ago
9

Tragically, the united states lost astronauts in accidents involvin

Physics
2 answers:
Valentin [98]3 years ago
8 0

Answer:

challenger and Columbia

Explanation:

sweet-ann [11.9K]3 years ago
7 0
The quest to put Americans on the moon before the Soviets do. During the Space Race, a couple of astronauts went up into space only to be tragically killed in an explosion. 
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Many scientists accept a theory about the origin of the universe, called the big bang theory. describe at least one piece of sci
alexandr402 [8]
Red shift is one piece of observational evidence which supports the big bang theory. The fact that galaxies are moving away from us means that the universe was once much smaller, supporting the big bang theory which states that all the matter in the universe once occupied a single point with infinite density.
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4 0
2 years ago
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What is a pendulum in simple words and describe its parts
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3 years ago
What is a statement that’s summarizes a pattern found in nature
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3 years ago
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Lúc 7g bạn an đi từ nhà đến trường với tóc độ trung bình là 20km/h . Bạn đến trường lúc 7g20. Tính khoảng cách từ nhà tới trường
Len [333]

Answer:

Distance = 6.667 kilometres

Explanation:

Given the following data;

Speed = 20 km/h

Departure time = 7:00

Arrival time = 7:20

Time taken = 20 minutes

To calculate the distance travelled from home to school;

First of all, we would have to convert the value of time in minutes to hours.

Conversion:

60 minutes = 1 hour

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Cross-multiplying, we have;

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7 0
2 years ago
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