Physics, 25.09.2021 14:00, bella122805
A ball is thrown parabolically, the ball falls to the same horizontal level from where it was thrown. If the ball takes 5.24 s in the air and gets a maximum range 61.67 m. What is the initial horizontal velocity?
Answers: 3
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Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
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Which symbol in the first law of thermodynamics represents the sum of the chemical and thermal energy stored in atoms and molecules? a. q b. w c. v d. u
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