Physics, 08.10.2019 04:10, amandapill
Acatapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 80.0 m/s at ground level. the engines then fire, and the rocket accelerates up- ward at 4.00 m/s2 until it reaches an altitude of 1 000 m. at that point, its engines fail and the rocket goes into free fall, with an acceleration of 29.80 m/s2. (a) for what time interval is the rocket in motion above the ground?
Answers: 3
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What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green
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Physics, 22.06.2019 12:10, hilljade45
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
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Physics, 22.06.2019 16:20, punkieladie
What organization and environment is described above?
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