Physics, 24.09.2020 22:01 bosskid361
lasses are canceled due to snow, so you take advantage of the extra time to conduct some physics experiments. You fasten a large toy rocket to the back of a sled and take the modified sled to a large, flat, snowy field. You ignite the rocket and observe that the sled accelerates from rest in the forward direction at a rate of 12.512.5 m/s2 for a time period of 3.303.30 s. After this time period, the rocket engine abruptly shuts off, and the sled subsequently undergoes a constant backward acceleration due to friction of 5.655.65 m/s2. After the rocket turns off, how much time does it take for the sled to come to a stop?
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The scalar triple product computes the magnitude m of the moment of a force vector f about a specified line. it is m = (r Ć f) Ā· n, where r is the position vector from the line to the point of application of the force and n is a unit vector in the direction of the line. use matlab to compute the magnitude m for the case where f = [12, ā5, 4] n, r = [ā3, 5, 2] m, and n = [6, 5, ā7].
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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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lasses are canceled due to snow, so you take advantage of the extra time to conduct some physics exp...
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