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A 2.00 kg piece of wood slides on the surface shown in the accompanying figure. All parts of the surface are frictionless, except for a 30.0 m -long rough segment at the bottom, where the coefficient of kinetic friction with the wood is 0.200. The wood starts from rest 3.00 m above the bottom.
Where will the wood eventually come to rest?
How much work is done by friction by the time the wood stops?
An open-pit coal mine consumes 96 hectares of land, down to the depth of 26 m, each year. What volume of earth, in cubic kilometres, is removed in this time.
A 1200kg station wagon is moving along a straight highway at 12 m/sec. Find the speed of the center of mass of the system
A 100kg football player is moving at 5.8m/s to the east; a 140kg player is moving at 5.2m/s to the west. While they are still in the air, which way is the pair moving
you throw a stone upward with an intial speed of 5.8m/s from a third-story office window. Find the speed of the stone just before it hits the ground
A certain copper wire has a resistance of 11.0?. What is the resistance of each piece
An elastic conducting material is stretched into a circularloop of 11.0 cm radius. It is placedwith its plane perpendicular to a uniform 0.600 T magnetic field. What emf is induced in theloop at that instant
With its wheels locked, a van slides down a hill inclined at 26.0 to the horizontal. Find the acceleration of this van if the hill is icy and frictionless
What are some of the major philosophical movements of the 20th century? How did each of them impact the historical and political viewpoints at work during the formative periods of the 20th century?
question the collision between a hammer and a nail can be considered to be approximately elastic. calculate the kinetic
A proton with a speed of 2.0 x 106 m/s is shot into aregion between two plates that are separated by a distance of 0.15m. As the drawing shows, a magnetic field exists between the plates, and it is perpendicular to the velocity of the proton.
What is the Kinetic energy of the Helium atom as it passes the 0 V plate. The mass of the Helium nucleus is 6.64e^-26
A power plant burns coal and generates an average of 630.0 MW of electrical power while discharging 995.40 MW as waste heat. Find the total electrical energy generated by the plant in a 30-day period.
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