Question

Asked Oct 5, 2019

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Convince them that it isn't so by calculating how much weaker (in %) gravity is 420 km above the Earth's surface.

Express your answer using three significant figures.

The gravity is weaker by?

Step 1

**Given:**

Height, h = 420 km

Step 2

Calculating value of percentage decrease in the value of gravity at a heigh...

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