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A rectangular block of ice with dimensions 2 meter by 2 meter by 0.2 meter floats on water. A person weighing 975 Newton wants to stand on the ice. Find would the ice sink below the surface of water?
A 0.504 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger and comes to rest some distance above the plunger. The plastic tube has an inner radius of 7.07 mm, and is frictionles..
The pressure at the bottom of a tube is 1500 Pa. Petroleum (d=800 kg/m cubic) floats on 10 cm of water (d=1000 kg/m cubic). What is the depth of the layer of petroleum
A long straight wire lying along the x-axis carries a constant 5 A current along the positive x direction. A small 5mm diameter loop lies in the x-y plane centered at y = 2m. If the loop is suddenly stretched so that its area shrinks to zero in 0...
A hole is punched in a full milk carton, 6 cm below thetop. What is the initial velocity of out flow
a uniform electric field of magnitude 390 nc pointing in the positive x-direction acts on an electron which is
a positively charged particle with a charge of 10.2pc is suspended in equilibrium in the electric field between two
A certain conductor has 7.60 1028 free electrons per cubic meter, a cross-sectional area of 4.00 10-6 m2, Find the drift speed of the electrons in the conductor
Take the questionnaire of Psychology and Your Life. Are you more consistent with right or left brain orientation? How will your strengths help you with your future goals.
Placing an object in a beaker filled with water causes displacement of some water. Calcualte the buoyant force on the object
A 0.39 kg iron horseshoe that is initially at 745°C is dropped into a bucket containing 24 kg of water at 46°C. What is the final equilibrium temperature? Neglect any heat transfer to or from the surroundings.
To help prevent frost damage, fruit growers sometimes protecttheir crop by spraying it with water when overnight temperaturesare expected to go below the freezing mark. How much heat is released by the water when it freezes
Water is flowing through a pipe (area 3.7 cm2) that connects to a faucet adjusted to have an opening of 0.45 cm2. what is its speed as it leaves the faucet
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