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An appliance mover is pulling a 300 lb stove across the floor by placing it on a piece of carpet and pulling at a 45 degree angle. If µ s = 0.5 and µ k = 0.2, how much force is necessary to get it moving? How much force is required to keep it moving once it has started to move? (Draw a force body diagram, and state your equation used to solve this problem please)
An L-R-C circuit, operating at 60 Hz , has an inductor with an inductance of 1.53x10^-3 H , What is the inductive reactance of this circuit
A square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field. What is the flux that passes through the circular loop
A particle with a mass of 7.43 multiply.gif 10-27 kg has a de Broglie wavelength of 8.37 pm. What is the particle's speed
A prescription for a corrective lens calls for +1.50D. The lensmaker grinds the lens from a "blank" with n = 1.56, What should be the radius of curvature of the other surface
An unstable particle with a mass equal to 3.34 multiplied by 10-27 kg is initially at rest. Find the masses of the fragments
A dockworker applies a constant horizontal force of 84.0\({\rm N}\) to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 12.5\({\rm m}\) in a time 4.80\({\rm s}\)
Two identical particles move under the influence of a central force, for which the potential energy function is V(r) = ? (k /r) (1 ? ?a/r), Determine the ratio of the periods
Your eye (diameter 2.5 cm) is able to focus the image of a tree on your retina. What is the size of the image of the tree on your retina
On an air track, a 402.0g glider moving to the right at 2.25m/s collides elastically with a 498.0g glider moving in the opposite direction at 2.90m/s. Find the velocity of second glider after the collision
A speed skater moving across frictionless ice at 8.6 hits a 5.5 -wide patch of rough ice. She slows steadily, then continues on at 6.3 . What is her acceleration on the rough ice
a carnival ride consists of a vertical cylindar, radius 2 m. When it revolves it pins people to its walls, What is the required period of revolution
The space shuttle orbits at a distance of about 300 km above the surface of the earth. Find the speed of the shuttle
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