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The roller-coaster car is dragged up at the highest point where it is released passing the highest point with speed of 1.7 m/s. If the average force of friction is equal to one-fifth of its weight, with what speed will the car reach the lowest point, which is 35.0m below the highest point? The distance traveled is 45.0m.
In a television, electrons shoot down the picture tube and strike fluorescent material on the screen, causing light to be emitted and producing the picture. assume that a certain set, the electrons are accelerated from rest 2.0 x 10^8 ms-1 in abou..
A plate carries a charge of -2 ?C, while a rod carries a charge of 3.50 ?C. How many electrons must be transferred from the plate to the rod
When a switch is closed, the current in a wire is given as i(t)= 1.0Aexp(-.5t). How much charge will flow out if the switch is closed forever
A string with a mass of 6.00 g and a length of 7.00 m has one end attached to a wall; the other end is draped over a pulley, what is the fundamental frequency of vibration
Hans and Franz pick up the 2.0m long garden. The chair weights 200 N and the center of gravity is 80 cm from Hans end. How much weight does Hans have to lift
When 1.0 kg of coal is burned, about 3.0 x 107 J of energy is released. how many kilograms of coal must be burned to produce the same energy as 0.79 kg of 92U235
An object is made of glass and has the shape of a cube 0.11 m on a side, according to an observer at rest relative to it. What is the moving observer's speed (in units of c) relative to the cube
When water freezes, it expands about 8.95%. What would be the pressure increase inside your automobile's engine block if the water in it froze
Show that the boundary conditions far away from the cylinder
An antifreeze solution is made by mixing ethylene glycol (? = 1116 kg/m3) with water. Suppose the specific gravity of such a solution is 1.06. determine the volume percentage of ethylene glycol in the solution
An ideal gas is allowed to expand adiabatically until its volume increases by 50%. By approximately what factor is the pressure reduced
Find the magnitude of the maximum force applied horizontally to upper block (block 1) that will cause the two blocks to slide together.
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