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A block of wood weighs 50.0 Newton in air. A sinker is attached to the block, and the weight of the wood- sinker combination is 220 Newton when the sinker alone is immersed in water. Finally, the wood-sinker combination is completely immersed and the weight is 160 Newton. Compute what is the density of the block. kg/m3
The prong of a tuning fork moves back and forth when it is set intovibration. The distance the prong moves between its extremepositions is 2.29 mm. If the frequency ofthe tuning fork is 440.5 Hz, what are the maximum velocity and the maximum accel..
A cylinder of wood, density 800 kg/m^3 is 2.5 m long. Cross sectional area of the cylinder is 0,4 m^2. determine To what depth will the cylinder sink
Coasting along at 8.10 m/s, a 60.0 kg bicyclist on a 8.60 kg bicycle encounters a small hill. how much work was done on the bicyclist and her bike
describe the change in flux through and the induced current in a loop of wire rotated in a uniform magnetic field
The inner and outer surfaces of a cell membrane carry a negativeand positive charge, respectively. evaluate the magnitude of the electric field in the membrane
An iron heating coil for a burner on an electric range runs off a 240V circuit and produces 100 Watts of heat. Given a length of 1.2 m for the coil, find the diameter of the coil
An unknown material has a normal melting/freezing point of -25.1° C, and the liquid phase has a specific heat capacity of 160 J/(kg · C°). What is the latent heat of fusion of the unknown material
the coefficient of static friction between the tires of a car and a horizontal road is micros 0.6. if the net force on
a child drops a small stone into a deep well the sound of the stone striking the water is hear 1.5 seconds after the
a single phase 60 hz source supplies a 90 kva 0.8 power factor lagging load through a transmission line with impedance
A 70 kg man walks along a 40 kg horizontal plank which is 2 m long. The plank is attached to a hinge mounted to one wall, calculate the force provided by the hinge on the wall
A current of 15.0 mA is maintained in a single circular loop with a circumference of 3.30 m. find the magnitude of the torque exerted by the magnetic field on the loop
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