Principles of Physics: A Calculus-Based Text
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ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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A new design of Saturn 13 rocket with mass 1.49 x106 kg has a propulsion engine that can eject gases at a constant speed of 238.97 m/s (vGas) by burning fuel at a rate of 4.97 x10 5 kg/s (dmdT). In full tank, the rocket can carry a fuel of mass 43.16 x10 6 kg.
If this design exceeds the velocity of 11,200 m/s it can successfully escape Earth's gravity. Determine if this is so. Find its maximum velocity (velyZ) in a PhysLab virtual simulation. (Pitch Angle = 0)
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- A 2000-kg railway freight car coasts at 4.4 m/s underneath a grain terminal, which dumps grain directly down into the freight car. If the speed of the loaded freight car must not go below 3.0 m/s, what is the maximum mass of grain that it can accept?arrow_forwardNASAs Saturn V rockets that launched astronauts to the moon were powered by the strongest rocket engine ever developed, providing 6.77 106 N of thrust while burning fuel at a rate of 2.63 103 kg/s. Calculate the engines exhaust speed.arrow_forward1. A new design of Saturn 13 rocket with mass 1.03 x106 kg has a propulsion engine that can eject gases at a constant speed of 245.03 m/s (vGas) by burning fuel at a rate of 4.15 x10 5 kg/s (dmdT). In full tank, the rocket can carry a fuel of mass 44.46 x10 6 kg. If this design exceeds the velocity of 11,200 m/s it can can successfully escape Earth's gravity. Determine if this is so. Find its maximum velocity (velyZ). (Pitch Angle = 0) 2. A 0.16-kg toy car is initially moving at 1.6 m/s. Since the battery is losing power, the toy car has slowed down to 0.3 m/s. Calculate the impulse of the toy car. Input the numerical value only; do not include the units.arrow_forward
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