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An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First he tries to throw a rope to his fellow astronaut, but the rope is too short. In a last ditch effort, the astronaut throws his bag of tools in the direction of his motion (away from the space station). The astronaut has a mass of 102 kg and the bag of tools has a mass of 16.0 kg. If the astronaut is moving away from the space station at 1.80 m/s initially, what is the minimum final speed of the bag of tools (with respect to the space station) that will keep the astronaut from drifting away forever?
A 9.5 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.67 T pointing up. During the course of 0.28 s , the field is changed to one of 0.31 T pointing down.
The experimental for an unknown spring is shown in the graph below which is a plot of the mass applied to a spring and its elongation. What is the spring constant of this spring. What would be the elongation from the equilibrium position if a 1N weig..
A 5-kilogram block is suspended by a cord from the ceiling. The magnitude of the tension force exerted on the block by the cord is most nearly
how does the electron travel? ive heard that it just exists at a certain point it fluctuates in and out of existence.
A copper wire, whose cross-sectional area is 5.22 x 10-6 m2, has a linear density of 5.86 x 10-3 kg/m and is strung between two walls. At the ambient temperature, a transverse wave travels with a speed of 43.1 m/s on this wire. The coefficient of ..
One billiard ball is shot east at 3.0 m/s. A second, identical billiard ball is shot west at 1.0 m/s. What are the speed and direction of the first ball after the collision
A 7.93 kg box is pulled along a horizontal surface by a force Fp of 84.0 N applied at a 47.0º angle. If the coefficient of kinetic friction is 0.35, what is the acceleration of the box
A block just begins to slide down a ramp after being elevated to an angle of 40 degrees. What is the coefficient of static friction
Two stationary positive point charges, charge 1 of magnitude 3.65 nC and charge 2 of magnitude 2.00 nC , are separated by a distance of 40.0 cm . An electron is released from rest at the point midway between the two charges, and it moves along the..
A cylindrical capacitor has an inner conductor with a radius of 1.2 and an outer conductor with a radius of 3.9 . The two conductors are separated by vacuum, and the entire capacitor has a length of 2.4 .
a particle with charge q is traveling with velocity v parallel to the wire with a uniform linear charge distribution
A fully suited astronaut name Bill lands on newly discovered plant (called New) and goes on an exploration walk on the surface. Bill returns by a different path and finds that to return, he must jump down a cliff of 15.0 m . He doesn't have time t..
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