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Physics, 22.06.2019 00:00
True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.
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How many atoms of nitrogen are in the chemical formula ni(w on
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Physics, 22.06.2019 16:50
During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.
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Physics, 22.06.2019 17:50
Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system
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Assume a solar cell would produce a current of 500ma and 3 v. what is the power of this solar cell?...
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