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A uniform cylinder of mass m=8.26 kg and radius R=0.147 m is released from rest on an inclined plane (theta=42.4 deg) and rolls without slipping onto a horizontal surface. The center of mass falls h=0.804 m in the process. What is the magnitude of the angular velocity just before the cylinder reaches the horizontal surface?
An air puck of mass m1 = 0.32 kg is tied to a string and allowed to revolve in a circle of radius R = 1.1 m on a frictionless horizontal table. What is the horizontal force acting on the puck
A student yells across a street at a concrete wall. The student hears an echo 0.500 seconds later. If the speed of sound in air is 343 m/s, what is distance from the student to the wall only.
1. the ground state ofnbsp has jpi 32-1 the first excited state at 67.4 kev has jpi 12-1 and the second excited state
An 50.0 N box is pulled 25.0 m up a 35.0° incline by an applied force of 100.0 N that points upward, parallel to the incline. Calculate the change in the kinetic energy of the box
Suppose that the mass of the dishwater is large as much as necessary so that its temperature does not change appreciably.
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 12.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mole. (b) Imagine adding electrons to the pin until the negative charge h..
3.00 m-long, 350 steel beams extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 construction worker stands at the far end of beam.
A circular surface with a radius of 0.062 m is exposed to a uniform external electric field of magnitude 1.55 104 N/C, What is the angle between the direction of the electric field and the normal to the surface
Using focused laser light, optical tweezers can apply a force of about 14pN to a 1.1\mu m diameter polystyrene bead, Estimate the bead's acceleration in g's
A passenger on a moving train tosses a coin with an initial velocity of -2.25 m/s x + 3.58 m/s y, What is the minimum speed of the coin relative to the ground during its flight
An electromagnet produces a magnetic field of 0.540T in a cylindrical region of radius 2.70cm between its poles. What magnitude of force is exerted on the wire
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