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A cord is wrapped around the rim of a solid uniform wheel 0.230 meter in radius and of mass 9.60 kilogram. A steady horizontal pull of 48 Newton to the right is exerted on the cord, pulling it off tangentially from the wheel. The wheel is mounted on frictionless bearings on a horizontal axle through its center.
Determine the angular acceleration of the wheel.
Find the acceleration of the part of the cord that has already been pulled off the wheel.
Compute the magnitude of the force that the axle exerts on the wheel.
Determine the direction of the force that the axle exerts on the wheel.
a guitar string with a linear density of 2.0 gm is stretched between supports that are 61 cm apart. the string is
A 1.5 kg playground ball is moving with a velocity of 3.0 m/s directed 30 degrees below the horizontal just before it strikes a horizontal surface. evaluate the magnitude of the average resultant force on the ball
A ship, carrying fresh water to a desert island in the Caribbean, has a horizontal cross-sectional area of 2790m2 at the waterline. How much water was delivered
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.10 m2, what is the percentage lost by the window
When a battery is connected to a 145?? resistor, the current is 3.27A. Find the internal resistance of the battery and the emf supplied by the battery
The Earth moves in a very nearly circular path around the Sun over the course of one year. Express the speed of the Earth in astronomical units per year and in km s-1.
A cylindrical rod with a diameter of 2.54 cm and a length of 76.2 cm is initially at a temperature of 20.0 C. Next, After reaching equilibrium, what is the volume of the rod
two convex lenses with focal lengths f1 6.0cm and f2 8.0cm are located 24.4cm apart. an object is located 13cm in
A ball is thrown nearly vertically upward from a point near the edge of a tall building. it misses the edge of the building in ts way down and passes a point 160ft below its starting point 5 seconds after it leaves the thrower's hand.
Assuming the density of seawater is 1.03 g/cm3, find the total weight of water on top of a nuclear submarine at a depth of 155 m, what water pressure would a diver experience at this depth
A force F = 200i - 400j + FZ k N, is acting through point A(0,0,0) m.
A long, straight wire generates a magnetic field of 0.3 T a distance of 0.05m away from it. What is the current in the wire
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