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A spring with a spring constant of 983 N/m is lying on a horizontal, frictionless surface. A mass of 2 kg is pressed into it and compresses the spring 0.28 meters and the mass is held still. The mass is then released. When it leaves the spring, how fast is the mass moving in m/s?
A 90.0- and a 45.0- resistor are connected in parallel. Whenthis combination is connected across a battery, the currentdelivered by the battery is 0.376 A. When the 45.0- resistor is disconnected, the currentfrom the battery drops to 0.131 A.
What is the speed of the second asteroid? Now suppose that the first and second asteroids carry charges of 3.68 C and -3.68 C, respectively. How fast would the second asteroid have to be moving in order to occupy the same circular orbit as before?
A system performs 351 J of work on its surroundings while losing 133 J of internal energy. Decide the heat transferred to the system through this process.
A major-league pitcher can throw a baseball in excess of 41.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches the catcher who is 18 m away from the point of release.
Estimate the volume of your body. (Consider your body to be a cylinder having a radius of about 6 inches (or 0.15 m) and a height of about 1.5 meters
A 2.00 µC charge is experienced by 0.438 N force in an electric field. What is the magnitude of the electric field?
Two objects are connected by a string passing over a light frictionless pulley.Compute the speed of each object just as they pass each other
A 0.43-kg metal sphere oscillates at the end of a vertical spring. As the spring stretches from 0.12 m to 0.23 m, What is the spring constant of the spring
The plates of a parallel-plate capacitor in vacuum are 5.00 mm apart and 2.00 m2 in area. Compute the magnitude of the electric field between the plates
A proton is projected in the positive x direction into a region of uniform electric field Earrowbold = (-5.40 multiplied by 105) i hat bold N/C at t = 0. Determine the time interval over which the proton comes to rest
A horizontal 799-N merry-go-round is a solid disk of radius 1.45 m, started from rest by a constant horizontal force of 49.9 N applied tangentially to the edge of the disk
An electron moving in one dimension is confined between two walls seperated by a distance L = 10^-10 m. What is the average force that the electron exerts on the walls
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