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A cylindrical cistern is filled with oil to a height of 6 metres. The temperature in the shed where this cistern is stored is zero degrees Celsius. The level of oil is 0.2 metres below the brim. Find the temperature at which the oil will be about to spill from the cistern. The coefficient of expansion for oil is 10x10-4 m/ oCm.
At one instant a bicyclist is 35.0m due east of a park's flagpole, going due south with a speed of 20 m/s. Then, 19 s later, the cyclist is 60.0 m due north of the flagpole, going due east with the speed of 11 m/s. For the cyclist in this 19s inte..
A circular wire loop of area 0.18m squared carries a current of 4 A. the coil lies in a horizontal plane with the current flowing in the counterclockwise direction when viewed from above. At this point the earth’s magnetic field is 1.2x10^-4 T direct..
A wheel 45.0 cm in diameter accelerates uniformly from 206rpm to 340 rpm in 7.0 s. How far will a point on edge of the wheel have travelled in this time.
A glass bead charged to 3.8 nC exerts an 6.0Ã-10âˆ'4N repulsive electric force on a plastic bead 2.7 cm away
How much mass is lost in the fission of the nuclear fuel in a 1000 MW power plant in one year? (assume that the power plant is 33% efficient)
a concrete block with a specific weight of 23.6 knm3 is suspended by a rope in a solution with a specific gravity of
Estimate the total amount of U-235 needed to operate a 600. MWreactor for one year assuming e = 40% and that each fission produces 200. MeV. Find the Energy needed in Joules per year and Fissions needed per year to produce the energy?
A flat, solid cylindrical grinding wheel with a diameter of 26.0cm is spinning at 2900rpm when its power is suddenly turned off. A workman continues to press his tool bit toward the wheel's center
A person of mass 72 stands at the center of a rotating merry-go-round platform of radius 3.40 and moment of inertia 950. The platform rotates without friction with the angular velocity 0.95. The person walks radially to the edge of the platform.
a 20 micro f capacitor is fully charged across a 12v battery. the capacitor is then disconnected from the battery and
A parallel-plate capacitor has plates of area 3.64×104 m2. What plate separation is required
how long does it take electrons to get from the car battery to the starting motor? assume the current is 140 a and the
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