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A rectangular open tank is 4.5' wide, 3' deep and 6' long. We wish to fill the tank using a 1" diameter hose that delivers water at a speed of 100 inch/s.
a) Determine the volume of the tank in gallons and liters.
b) Compute the volume of water delivered by the hose in bothe quarts and liters per second.
c) How long will it take to fill up the tank?
Caught in an avalanche, a skier is fully submerged in flowing snow of density 113 kg/m3. What percentage of the gravitational force on the skier is offset by the buoyant force from the snow
A sample of an unknown material appears to weigh 280 N in air and 180 N when immersed in alcohol of specific gravity 0.700. What is the density of the material
An airplane is flying with a speed of 305 km/h at a height of 3750 m above the ground. How much energy was dissipated on the parachute by the air friction
A particular organ pipe can resonate at 231 Hz, 385 Hz, and 539 Hz, but not at any other frequencies in between. Is it an open or a closed pipe? What is the fundamental frequency of this pipe.
When a uniform electric field directed horizontally (from left to right) is introduced, equilibrium is eventually established with the mass hanging at an angle
An interstellar race manager (M) is trying to compare the performance of two new space car models. What time did she measure for each car to travel from the flag to her position
A mirror of focal length 24.2 cm creates an image with magnification %u22120.350. What is the image distance
A ladder 2.85 m long, weighing 228 N, initially lies flat on the ground. Compute the work done by the force lifting the ladder
The weight of a 1200 - kg car is supported equally by the four tires, which are inflated to the same gauge pressure. What gauge pressure is required so the area of contact of each tire with the road is 100 cm2
A child and sled with a combined mass of 58.0 kg slide down a frictionless slope. What is the height of the hill
Large fossil fuel or nuclear electrical power plants operate most economically when run at full capacity 24 hours a day. Excess electrical energy can be "stored" and recovered by pumping water into a reservoir on top of a mountain and letting it fall..
A circular coil lays flat on a horizontal table in a region where the magnetic field is pointing straight down. What is the direction of the current in the coil
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