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An 80 kg spacewalking astronaut pushes off a 640 kg satellite, exerting the 100N force for the 0.50 s it takes him to straighten his arms.
A 100 ball on a 60 long string is swung in a vertical circle whose center is 200 above the floor. The string suddenly breaks when it is parallel to the ground and the ball is moving upward. The ball reaches a height 600 above the floor.What is the..
Once can set up a two-dimensional scattering theory that could be applied to puck projectiles sliding on an ice rink and colliding with various target obstacles.
A supertanker with the mass of 4.67 × 10^8 kg is moving with a constant velocity. Its engines generate a forward thrust of 8.71 × 10^6 N.
A 346-, uniform, 1.04- bar is suspended horizontally by two vertical cables at each end. Cable A can support a maximum tension of 506.0 without breaking, and cable B can support up to 436.0. You want to place a small weight on this bar. What is the h..
How much current does an immersion heater draw from the car
A charge of -3.9 micro-coulombs is launched from the positive plate of a large capacitor to the negative plate.
Assume that positive -axis is directed toward the direction of motion of cart 2.
A 250, 35-cm-diameter turntable rotates on frictionless bearings at 60. A 25 block sits at the center of the turntable. A compressed spring shoots the block thoroughly outward next to a frictionless groove in the surface of the turntable.
The pulling force has a magnitude of 81.5 N and is directed at an angle of 30.0° above the horizontal. Identify the coefficient of kinetic friction.
A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity by a factor of 405. When a jet aircraft is taking off, the sound intensity level experienced by the crew member is 90 dB. What sound intensity level..
Illustrate what is the absolute pressure at a point that is 9.82 cm below the ethyl alcohol-mercury interface?
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