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A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 7.10 m/s at the bottom of the rise. Find the translational speed at the top.
A heavy stone of mass m is hung from the ceiling by a thin 8.25-g wire that is 65.0 cm long. When you gently pluck the upper end of the wire, What is the mass m of the stone
The filament of a light bulb has a temperature of 3.20E+3 °C and radiates 40 watts of power. The emissivity of the filament is 0.360. Find the surface area of the filament
Within a certain material, an EM wave with lamda=1um is attenuated to 10% of its originality intensity after propagating 10cm. Determine the imaginary part of the index of refraction ni.
Light inside an optical fiber tube hits the wall between the tube and air and is totally internally reflected. what is the index of refraction of the tube
What additional force is necessary to hold the nozzle stationary after the water flow is turned on if the discharge rate is 0.550 kg/s with a speed of 26.5 m/s
A solid uniform 38.9kg ball of diameter 36.2cm is supported against a vertical frictionless wall using a thin 30.0cm wire of negligible mass. how hard does the ball push against the wall
You (mass 55 kg) are riding your frictionless skateboard (mass 5.0 kg) in a straight line at a speed of 4.7m/s, What is your new speed, while holding the flour sack
A homemade capacitor is assembled by placing two 10in pie pans 6cm apart, Estimate the electric field halfway between the plates
A parallel-plate air capacitor of area A=17.0cm2 and plate separation d=3.40mm is charged by a battery to a voltage 56.0 V. how much additional charge will flow from the battery onto the positive plate
A circular loop of wire 0.2 m in diameter is placed with its normal at an angle of 30° to the direction of a uniform 0.14 T magnetic field. What emf appears in the loop
What is frequency of the rotational motion for the wheel
An iguana that is slowing down at a uniform rate of acceleration while moving in positive direction.
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