Why are satellites placed into orbit at least 150 km above Earth’s surface?
2 answers:
Because its just enough to where its not out f the gravitational pull and not close enough to be pulled back to earth. Hope it helps<span />
It's TO AVOID AIR RESISTANCE on E2020. Hope I helped :)
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Energy in a spring:
E = 0.5 * k * x²
k spring constant = 800 n/m
x stretch of the spring = 5 cm = 0.05 m
E = 0.5 * 800 * 0.05² = 1
bonded pairs of electrons, lone pairs of electrons.
Answer: 18.9 m
Explanation:
i did the kinematic equation & found the answer.
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