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A sphere of mass m and radius r is attached to the rim of a disk (mass M, radius R). The disk is rotating counter-clockwise with a constant period T around an axis through the center of the disk. Neglect friction. Consider the directions A through I at the indicated position of the sphere. If the disk has a radius R=0.5 m and a mass M=0.6 kg, and the sphere has a radius r=0.02 m and a mass m=0.37 kg, and if the period of rotation is T=3 s. What is the magnitude of the net force on the sphere?
The artery in the figure has an inside diameter of 2.75 mm and passes through region where the magnetic field is 0.65 T. what is the speed of the blood
Mayan kings and many school sports teams are named for the puma, cougar, or mountain lion Felis concolor, the best jumper among animals. With what speed, in SI units, does it leave the ground to make this leap
Derive a formula for the horizontal range R, of aprojectile when it lands at a height h above its initialpoint. (For h
A total charge of 0.0095 C is shared with two metallic spheres A and B of radii5 cm and 3 cm that are connected by a long thin wire of length 8 m. a. Discover the charge on sphere A. b. Find the tension in the wire.
A long straight wire carries a current of 6.2 A. The wire is horizontal in the plane of the page (screen) and the current is traveling to the left. Calculate the force that acts on the electron
An airfoil is being tested at an altitude of 34000 ft, standard atmosphere, and a speed of 600 knots. At a specific point "A.'' the pressure is measured to be at eighty-seven percent (87%) of the free tream pressure. Determine the local velocity a..
The work function for iron is 4.50 eV. Find the cutoff wavelength for iron and What is the lowest frequency of light incident on iron that releases photoelectrons from its surface
How much charge passes through the battery - What is the resistance of each piece?
Given the minimum kinetic energy of an alpha particle in nucleus= 0.01304 Mev or 2.09*10^-15 J compare this to the kinetic energy of an emitted alpha particle (5 MeV or 8.010883 *10-13 J), is it possible the alpha particle could have existed inside t..
A 0.180kg block of ice is placed against a horizontal, compressed spring mounted on a horizontal tabletop that is 1.40m above the floor. what is the speed of the block of ice when it reaches the floor
An elastic ball (A) with mass m is released from a horizontal position, connected via a massless string to a rod. When the ball reaches the bottom, it collides with another elastic ball (B) of twice the mass, also connected via a massless string t..
If your boat weighs 1200N, how much water will it displace when it is floating motionless at the surface of a lake
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