Calculate the buoyant force due to the surrounding air
Calculate the buoyant force due to the surrounding air on a man weighing 800N . Assume his average density is the same as that of water, and surrounding air temperature is 0 degrees Celsius.
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A constant electric current deposits 0.365 g of silver metal in12960 seconds from a solution of silver nitrate. What is thecurrent? What is the half reaction for the deposition of silver.The Molar mass of Silver is 107.9
Assume that is much larger than the separation d between the charges in the dipole, so that the approximate expression for the electric field along the dipole axis can be used.
A hole of radius 1 mm is at the bottom of a large water storage tank that is 15 m high. What is the volume flow rate (Av) of the water out of the whole?
Propose two equipment methods, in order of preference, to achieve the above duty, and outline the advantages and disadvantages of each method and the basis of your proposition.
Point A is located 0.75 m away from a charge of -3.90 x 10-9 C. Point B is located 0.35 m away from the charge. What is the electric potential difference VB - VA between these two points?
A steady horizontal force F of magnitude 21 N is applied at the axle of a solid disk as shown. The disk has mass 2.0 kg and diameter 0.10 m. What is the linear speed of the center of the disk after it has moved 12 m?
A single plate clutch consists of a pair of contacting surfaces. Calculate the power transmitting capacity of the clutch at 500r.p.m using:
A marble spins in a vertical plane around the inside of a smooth, 20-cm-diameter horizontal pipe. The marble's speed at the bottom of the circle is 3.0 m/s. A) What is the marble's speed at the top?
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