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An astronaut and a satellite are at rest when the astronaut pushes off from the satellite with a velocity 4.5 m/s (relative to the satellite). If the mass of the astronaut is 60 kg and the mass of the satellite is 3.0 x 102 kg, what is the final speed of the satellite?
In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 7.1 m/s in 1.7 s. determine the distance he runs
You are driving a car which is heading 25 m/s towards a brick wall. You sound a horn which emits at a frequency of 500 Hz when at rest. What is the beat frequency that you hear
Estimate the speed at which the drag on a 150 g steel ball becomes equal to about one percent of its weight. (The density of steel is about 7900 kg/m^3 and C for a sphere is about equal to 0.5.)
A 1000kg car is moving at a constant speed of 7 m/s when it hits the back bumper of another car with 1200kg of mass moving in the same direction at a constant speed of 6m/s
How to calculate the capacitance in a circuit knowing the inductance? What is the impact of a magnetic field on a conducting loop?
A 200-pound boy lifts a 40-kg box off of the floor 1.3 meters in 0.7 seconds. determine Which boy is more powerful
A cement block accidentally falls from rest from the ledge of a 74.8-m-high building. When the block is 18.4 m above the ground, a man, 2.10 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have ..
During normal beating, the heart creates a maximum 3.50 mV potential across 0.290 m of a person's chest, creating a 1.00 Hz electromagnetic wave. What is the wavelength of the electromagnetic wave
The Eskimo pushes the same 50.0-kg sled over level ground with a force of 2.25 102 N exerted horizontally, evaluate the coefficient of kinetic friction
An ac power generator produces 50 A (rms) at 3600 V. The voltage is stepped up to 100 000 V by an ideal transformer and the energy is transmitted through a long distance power line which has a resistance of 100 ohms. What percentage of the power deli..
The drawing shows a device that can be used to measure the speed of a bullet. The device consists of two rotating disks, separated by adistance of d = 0.680 m, and rotating with an angular speed of 65.0rad/s.
The sled dog drags sleds A and B across the snow. determine what is the tension in second rope
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