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Physics, 16.12.2019 19:31 johrenandez
Chef susan tosses some pizza dough in the air, then catches it again at the same height. the pizza dough is in the air for 1.0\,\text s1.0s1, point, 0, start text, s, end text. we can ignore air resistance. what was the dough's velocity at the moment it was tossed into the air?
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Afaulty model rocket moves in the xy-plane (the positive y direction is vertically upward). the rocket's acceleration has components ax(t) = ? t2 and ay(t) = ? ? ? t, where ? = 2.50 m/s4 , ? = 9.00 m/s2 , and ? = 1.40 m/s3 . at t = 0 the rocket is at the origin and has velocity ~v0 = v0x ? i + v0y ? j with v0x = 1.00 m/s and v0y = 7.00 m/s. (a) calculate the velocity and position vectors as functions of time. (b) what is the maximum height reached by the rocket? (c) sketch the path of the rocket. (d) what is the horizontal displacement of the rocket when it returns to y = 0?
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Chef susan tosses some pizza dough in the air, then catches it again at the same height. the pizza d...
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