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Gennadij [26K]
3 years ago
7

The Thermosphere contains a layer of charged particles called the ________________ which makes commucation by _________________

possible and is home to the __________________ (Nothern Lights). This is the layer in which ____________________ fly.
Physics
1 answer:
fredd [130]3 years ago
7 0
Ionosphere
Radio wave transmission
Aurora Borealis
Airplanes
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After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 55.0 cm. She finds the pendulum m
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Answer:

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Explanation:

We have given length of pendulum l = 55 cm = 0.55 m

It is given that pendulum completed 100 swings in 145 sec

So time taken by pendulum for 1 swing =\frac{145}{100}=1.45sec

We have to find the acceleration due to gravity at that point

We know that time period of pendulum;um is given by

T=2\pi \sqrt{\frac{l}{g}}

So 1.45=2\times 3.14\times \sqrt{\frac{0.55}{g}}

\sqrt{\frac{0.55}{g}}=0.230

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{\frac{0.3025}{g}}=0.0529

g=5.718m/sec^2

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