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Physics, 21.06.2019 20:30
When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m
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Physics, 22.06.2019 06:30
The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?
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Physics, 22.06.2019 17:00
Explain what will happen if decomposers were apsent from a forest ecoysystem.
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Physics, 22.06.2019 19:20
Which best describes the difference between internal and thermal energy?
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Technician a says that the purpose of the starter relay is to complete the circuit from the battery...
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