Physics
What should a person on a freely rotating turn table do to decrease his (angular) speed ?

Sit down with raised hands
Bring his hands together
Raise his hands up
Spread his hands outwards

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Physics
Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct?

It is narrow band of high-velocity wind.
It follows the wave path near the tropopause at elevations of 8 km to 15 km.
In summer, the polar front jet achieves its maximum force.
Jet streams are typically continuous over long distances.

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