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Calculate the propellant mass required to launch a 2000 kg spacecraft from a 180 km circular orbit on a hohmann transfer trajectory to saturn. calculate the time required for the mission. assume the propulsion system has a specific impulse of 300 s.
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A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?
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A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending
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Calculate the propellant mass required to launch a 2000 kg spacecraft from a 180 km circular orbit o...
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