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a Hollow sphere of mass M=1000kg and radius R=25cm is rolling down of an incline plans making an angle with horizontal. the thin hoop starts with an initial velocity=25m/s at a vertical height H and traveling a distance d=200m Calculate the moment of inertia of the hollow sphere Calculate the initial kinetic energy of the hollow sphere at the starting point Calculate the initial potential energy at the starting point calculate the initial total energy of the hollow sphere calculate the final velocity at the bottom of the incline plan calculate the angular acceleration of hollow sphere after 10s (t final=10s) calculate the net torque produced by the hollow sphere after 10s (t final=10s)
While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass. If a 64 kg person develops a power of 65W throughout a race, how fast is the person running? Assume that a running step is 1.5 m long.
Two carts on a frictionless air track are made to travel toward each other. As they collide they stick together. if the cart on the left has a mass of 250 grams and is moving at 0.2 meters per second to the right.
While remodelling your garage, you need to temporarily splice, end to end, an 80 m long copper wire that is 1.130 mm in diameter with a 49.0 m long aluminium wire that has the same diameter. The maximum current in the wires is 2.00 A.
Two parallel metal rods form a plane inclined at 20 degrees to the horizontal. The upper end of the rods are connected together by a resistor of 166ohms, What is the maximum speed of the bar
A hydraulic lift is used to jack a 920 kg car 42 cm off the floor. The diameter of the output piston is 18 cm, and the input force is 350 N. What is the area of the input piston
A 650 kg weather balloon is designed to lift a 4600 kg package. What volume should the balloon have after being inflated with helium 0 degrees Celsius and 1 atm pressure to lift the total load.
Illustrates the difference between acceleration and velocity
A 50.0 g copper calorimeter contains 260 g of water at 22.0°C. How much steam ought to be condensed into the water if the final temperature of system is to reach 42.0°C.
What is x and y coordinates of the shell
In effect, the first circular dark fringe in the diffraction pattern defines the size of the central bright spot on the moon. find the diameter (not the radius) of the central bright spot on the moon.
solve a 0.880 mev photon is scattered by a free electron such that the scattering angles of the electron and photons are equal. Determine the angles?
Two capacitors of capacitance 6.00 microFarad and 8 microfarad are connected in parallel, What is the potential difference across the 6.00-uF capacitor
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