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A cylindrical cork of radius R=1.5cm height d = 0.75cm and specific gravity of 0.24 floats at an air -water interface.
a) How far below the surface of the water is the bottom of the cork in equilibrium.
b) At time t= 0, a small of aluminium bead of mass m= 1.0gm is placed on top of the cork while imparting a downward velocity of v0 = 10cm/s to the combined cork and head system. Neglecting any friction or water flow induced with the motion of the cork, compute the dept y(t) of the bottom of the cork for all t> 0 and sketch its form. What is the maximum depth and at what time is it first reached. What is the minimum depth and at what time is it first reched?
A block weighing 5.8 Newton requires a force of 3.9 Newton to push it along at constant velocity. Obtain the coefficient of friction for the surface
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A thin film of soap with n = 1.39 hanging in the air reflects dominantly red light with λ = 651 nm. What is the minimum thickness of the film? Now this film is on a sheet of glass, with n = 1.46. What is the wavelength of the light in air that will n..
calculate the orbital period of pluto in yr from knowledge of g the mass of the sun m 1.99times1030 kg and the orbital
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