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A mass of 2kg rests on a horizontal table and is attached to one end of a spring constant 200N/m. The other end of the sping is moved in the horizontal direction according to x = a cos(wt) where a = 4 x 10^-3m and w = 5pi rad/s. The damping constant b = 4.0 N/m s. Determine the amplitude and relative phase of the steady state oscillations of the mass.
Assuming that vertical = 0 degrees, the angle of the pendulum oscillates between the maximum amplitudes: -theta max and theta max. What is the angle of the pendulum at which the gravitational potential energy is minimum
Two identical particles, both of mass m and charge q, What is the speed of each particle when they are a distance 2d apart
Basilisk lizards can run across the top of a water surface. With each step, a lizard first slaps its foot against the water and then pushes it down into the water rapidly enough to form an air cavity around the top of the foot.
You have just built a house out in the country and it comes to your attention that you need to install a lightning rod. Being naturally curious you ask a hardware salesperson how lightning rods work and they accurately tell you.
consider the motion of an apple and the earth as the apple falls to the ground. if the apple begins at the top of a
A series AC circuit contains a resistor, an inductor of 200 mH, a capacitor of 5.20 µF, and a source with ?Vmax = 240 V operating at 50.0 Hz. The maximum current in the circuit is 180 mA.
a person fishing from a pier observes thatsevenwave crests pass by in 6.2s and estimates the distance between two
A light bulb is wired in series with a 119- resistor, and they are connectedacross a 120.0-V source. The power delivered to the light bulb is22.3 W. What is the resistance of the light bulb? There are twopossible answers. Give the larger of the two.
Medical technicians use small centrifuges to isolate blood cells. How far are the test tubes from the rotation axis
A 1.0- kg mass is attached to a string wrapped around a shaft of negligible mass and having a 8.0- cm radius. How far apart are the masses of the dumbbell
A styrofoam box used to keep drinks cold at picnic has total wall area(including the lid) of 0.80m2 and wall thickness 2 cm. it is filled with ice, water and cans at 0 Celsius. What is the rate of heat flow into the box if temperature of the outsi..
A circular coil of wire of 200 turns and diameter 3 cm carries a current of 3 A. What is the torque on the coil
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