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20660 - Telegram Web
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A satellite orbits Earth at height R/2 (R=Earth's radius). Escape velocity from this orbit is v. Escape velocity from Earth's surface is:
Anonymous Quiz
14%
√2v
52%
2v/√3
16%
√3v
17%
v/√2
What is the derivative of 3x² + 2x?
Anonymous Quiz
17%
3x + 2
16%
6x
66%
6x + 2
0%
x³ + x²
What's the limit of (sin(x)/x) as x approaches 0?
Anonymous Quiz
9%
0
68%
1
21%
Infinity
3%
Undefined
Which complex exhibits *only* d-d transitions?
Anonymous Quiz
49%
[Cu(NH3)4(H2O)2]SO4
24%
KMnO4
26%
K2Cr2O7
1%
[Ti(H2O)6]3+
2025/10/19 23:48:36
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