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Physics, 22.06.2019 11:20
If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s
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Physics, 23.06.2019 07:00
What is the period of a wave traveling 5 m/s if its wavelength is 20 m/s
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Ii. what is the binding energy of 1 mole of if the mass defect is 1.896 g/mol? (2 points)...
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