Chemistry

Chemistry, 20.09.2020 19:01, cbawesome8

The mass of helium gas in a balloon is_?

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Chemistry, 21.06.2019 22:30, Jasten

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Chemistry, 22.06.2019 01:30, montoyaricardo3550

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

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