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A certain peculiar spring is found not to conform to Hooke's Law. The force it exerts when stretched a distance x is found to have magnitude 52.8 x + 38.4 x2 in the direction opposite the stretch. Compute the work done in stretching the spring from x = 0.5 m to x = 1.0 m.
A particular garden hose has an inside diameter of 3/4 in. The nozzle opening has a diameter of 1/4 in. what is the flow speed through the nozzle
In constructing a large mobile, an artist hangs an aluminum sphere of mass 5.3{\rm kg} from a vertical steel wire 0.42{\rm m} long and 3.0×10?3{\rm cm^2} in cross-sectional area. Compute the elongation strain for the bottom wire
Submarines control their buoyancy using ballast tanks. To sink the tanks can be flooded with water and to rise compressed air can be fed into the tanks to expel the water, lowering the density of the sub.
A house has a floor area of 113 m2 and an outside wall that has an area of 26 m2. The earth's magnetic field here has a horizontal component of 3.0 multiplied by 10-5 T that points due north and the vertical component of 4.9 multiplied by 10-5 T p..
A garden hose having an internal diameter of 0.720 in. ( 1.8288 cm ) is connected to a lawn sprinkler that consists merely of an enclosure with 36 holes, at what speed does it leave the sprinkler holes
A 2.96 mA beam of electrons moving at 2.09x106 m/s enters a region with a sharply defined boundary, Find the transmitted and reflected currents
What was the ray's angle of incidence on the diamond. What should be the magnitude of , so that the net work done by it and the kinetic frictional force is zero.
A certain atom of has 89 protons. Assume that the nucleus is a sphere with radius 7.25 fm and with the charge of the protons uniformly spread through the sphere. At the nucleus surface what is the magnitude of the electric field produced by the pr..
A car starts from rest and accelerates at a rate of 2m/s^2 until it reaches the speed fo 30m/s. find number of revolution each wheel completes up to this point
What are the components of displacement vector from camp to summit? What is its magnitude? Decide the x axis east, y axis north, and z axis up.
Two narrow slits are illuminated by a laser with a wavelength of 549nm. The interference pattern on a screen located x = 4.50m away , Calculate the distance between the two slits
52 cm3 of gasoline are mixed with 40 cm3 of water. What is the average density of the mixture
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