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A host ?oats in a lake. When the host moves the force of resistance is proportional to the velocity of the heat. Initially the heat is at rest. A person walks from the stem to the bow of the best. What will be the position of the host long time after the person stopped moving?
A massless spring with spring constant 20 N/m hangsvertically. A body of mass 0.3 kg is attached to its freeend and then released. Find the frequency of the resulting motion
A solid sphere of radius = 10 cm and mass = 2 kg is going down an inclined plane of height = 5 m. The angle of the inclined plane = 35 degrees. What is the final Total kinetic energy of the sphere
q1. a motorist drives along a straight road at a constant speed of 15.0 ms. just as she passes a parked motorcycle
A disk rotates with constant angular acceleration. The initial angular speed of the disk is 2rad/s. After the disk rotates through 3radians, the angular speed is 10rad/s. What is the magnitude of the angular acceleration?
A weight lifter struggles but manages to keep a heavy barbell above his head. Infrequently he slips and the barbell starts to fall downward, however he always recovers. Contrast the force exerted by the weight lifter on the barbell to that exerted by..
Movement of stagnant air over a surface typically decreases the pressure that air exerts on the surface it was in contact with, and higher air velocities usually result in more important pressure drops. This pressure drop from rapidly moving air acro..
A long uniform rope with a mass of 0.113 kg per meter lies on theground. Calculate the upward force you must exert at the moment
if oxygen molecules are more massive than the nitrogen molecules, is the rms speed of the O2 molecules greater than, less than, or euqls to rms speed of the n2 molecules.
A 0.20-kg object is attached to the end of an ideal horizontal spring that has a spring constant of 120 N/m. compute the amplitude A of the motion
Referring to a baggage carousel at an airport. Your suitcase has not slid all the way down the slope and is going around at a constant speed on a cirle (r=11.0m) as the carousel turns.
Determine how much electric potential does an electron have when placed 5.3 x 10-11 meter from a proton? Express your answer in both Joules and in "eV"
A length of wire is cut into7 equal pieces. The 7 pieces are then connected parallel, with the resulting resistance being 1. What was the resistance r of the original length of wire?
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