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A large tank with diameter D, open to the air, contains water to a height { H}. A small hole with diameter d ( {d \ll D} ) is made at the base of the tank. Ignoring any effects of viscosity, calculate the time it takes for the tank to drain completely.
A cylinder of mass 250 kg and radius 2.60 m is rotating at 4.00 rad/s on a frictionless surface when two more identical non-rotating cylinders fall on top of the first. What is this final angular velocity
An object of length 3 cm is inside a plastic block with index of refraction 1.40. If the object is viewed through the top surface of block at a non-zero angle from the normal, where is an object relative to its image.
The lower boundary of the plate is defined by: y = 0.650 x2. The plate has a mass of 3.70 kg. Find the moment of inertia of the plate about the y-axis
7.4 kg crate slides on a horizontal surface. The coefficient of kinetic friction between the surface and the crate is 0.365. find the magnitude of the external force acting on the crate
The sun transfers energy to the earth by radiation at a rate of approximately 1.00 kW per square meter of surface. If the solar collectors were arranged in a square array, what would be the length of its sides in kilometers and in miles
A 890 kgcar is at the top of a 30m-long, 2.5degreeincline. Its parking brake fails and it starts rolling down the hill. find the speed of the joined cars at the bottom of the incline
The position of an object as a function of time is (3.2t + 1.8t^2)i + (1.7t + 2.4t^2) , where is the time in seconds. Find the magnitude and direction of the object.
A plane is flying horizontally with speed 292 m/s at a height 3880m above the ground, What is the horizontal distance from the release point to the impact point
At the instant before a particle collision at the Belle Experiment, an electron is moving north with a total energy of 8 GeV, find the speed of the electron as seen by the positron
The record for the highest speed achieved in a laboratory for a uniformly rotating object was 2.01e3m/s for a 0.15m long carbon rod
A basketball rolls without slipping down an incline of angle ?. The coefficient of static friction is ?s. Model the ball as a thin spherical shell. (Use any variable or symbol stated above along with the following as necessary: m for the mass of the ..
A wave pulse travels down a slinky. The mass of the slinky is m = 0.93 kg and is initially stretched to a length L = 6.8 m. What is the wavelength of the wave pulse
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