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Differential Equations:
A 1-kg mass is hung vertically on a spring in a medium with a damping constant of 4 N-sec/m. The spring constant is 12 N/m. The mass is pulled down 2 m from the spring-mass equilibrium and then given an upward velocity of 1 m/sec. discover the amplitude, frequency and phase of the vibration.
Assume that a particle accelerator is used to move two beams of particles in opposite directions. obtain the magnitude of average current in this region
A block of weight 3.9N is launched up a 30 degrees inclined plane 2.10m long by a spring with k = 2.15kN/m and maximum compression 0.10m, find How much kinetic energy does it have there
A solenoid with a radius of 8.0 x 10-3 meter and 210 turn/cm is used as an inductor in a circuit. Evaluate what is the length of the solenoid
The drawing shows a person (weight W = 598 N, L1 = 0.829 m, L2 = 0.409 m) doing push-ups. Find the normal force exerted by the floor on each hand
A proton and an electron are held apart a distance of one meter, Calculate the electric force F between them and Show the electric force vector on each of them
A positron is a particle with the same mass and magnitude charge as an electron, but a positron has a positive charge. how fast is the positron moving
What is the wavelength of the waves emitted by source? What is the difference in frequency between the directly radiated waves and the waves reflected from a whale traveling straight toward the ship at 4.95 ? Assume that the ship is at rest in the..
A microwave oven is powered by a magnetron, an electronic device that generates electromagnetic waves of frequency 2.45 GHz. calculate the speed of the microwaves
Light with ? = 760 nm is diffracted by a single slit, and the first intensity minimum (the first dark fringe) occurs at ? =3°. What is the width of the slit
A hydraulic lift consists of two pistons that connect to each other by an incompressible fluid. If one piston has an area of 0.49 m^2 and the other an area of 6.2m^2, how big a mass can be raised by a force of 220N exerted on the smaller piston.
1 the intensity level produced by a jet airplane at a certain location is 163 db. calculate the intensity of the sound
A 500g ball swings in a vertical circle at the end of a 1.5-m-long string. When the ball is at the bottom of the circle, the tension in the string is 12N
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