slight reflect but most goes through because glass is transparent
Answer:
Mass is the amount of matter in a substance.
Explanation:
The basic SI unit for mass is the kilogram (kg).
Answer:
Rt≅6377Km
Explanation:
Take a look at the image. The horizontal line is the horizon, and the angle α corresponds to the earth rotation during the 77 seconds.
With this information, we can know the value of α:
α =
Since we have formed a rectangle triangle:
Solving for Rt:
Rt≅6377467m=6377Km