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The mass of a flywheel is 5.7 times 104 kilogram. This particular flywheel has its mass concentrated at the rim of the wheel. If the radius of the wheel is 2.8 meter and it is rotating at 363 rpm, evaluate the magnitude of its angular momentum?
kg•m2/s
A nearsighted person cannot read a sign that is more than 5.2 mfrom his eyes. What is the focal length of the contacts
An explosive is fired from the ground at an angle of 53.1 degrees and a speed of 30 m/s. what is the speed of the explosive at the max height
Two point charges are on the y-axis. A 4.50 μC charge is located at y=1.25cm, and a -2.24μC charge is located at y=1.80 cm. Find the total electric potential at (a) the origin and (b) the point having coordinates (1.50cm, 0).
Suppose you carry a bag of groceries weighing 100 N from your car to your kitchen, a distance of 61 m, without raising or lowering the bag
A jet airplane is in level flight. The mass of the airplane is m = 8830 kg. find the magnitude of the lift force acting on the plane
A rigid iron cylinder contains propane gas. The cylinder and thegas are in thermal equilibrium. how many moles of propane are there in the cylinder
An object of mass m moves in a circular orbital under the influence of an harmonic oscillator potential U(r)=1/2(alpha)r^2, Determine the energy of the orbiting object
A large electromagnet has a 23 T magnetic field between its poles. What is the magnetic energy density between the poles
A uniform plank of length 4.7 m and weight 221 N rests horizontally on two supports, with 1.1 m of plank hanging over the right support. To what distance x can a person who weighs 440 N walk on the overhanging part of the plank before it just begi..
Water moves through a constricted pipe in steady, ideal flow. At the lower point the pressure is 1.70 105 Pa and the pipe radius is 3.00 cm. Find the volume flow rate through the pipe
A beam of 6.86 MeV protons is incident on a target of 27Al 13. determine the kinetic energy of the emerging neutrons
A pinada, practically in a shape of a slender thin rod of length mass 4.0 kg is hanging from the tree branch after being hinged at one end. Estimate how high the pinada will swing
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