Physics, 20.05.2021 14:00 ghari112345
A 25.0-kg test rocket is fired vertically. When the engine stops firing, the rocket’s kinetic energy is 2017 J. After the fuel is burned, to what additional height will the rocket rise? (g=10 m/s^2)
Answers: 3
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Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease
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Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
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Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
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A 25.0-kg test rocket is fired vertically. When the engine stops firing, the rocket’s kinetic energy...
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