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A Ferris wheel has diameter of 9.58 m and makes one revolution in 6.1 seconds. A person weighing 695 N is sitting on one of the benches attached at the rim of the wheel. What is the apparent weight (that is, the normal force exerted on her by the bench) of the person as she passes through the highest point of her motion? Express your answer in N
A simple pendulum consists of a bob .085 kg attached to string of length 1.5 m Pendulum is raised to point Q, which is .08 m above its lowest point. Compute speed of the bob at its lowest point
A person notices a mild electric shock if the current along a path through the thumb and the index finger exceeds 80.0, Calculate the maximum allowable voltage with a wet-skin resistance of 1920
consider a refracting telescope with an objective lens of focal length fobj 1.4 m and an eyepiece with focal length
The inner surface is negative relative to the outer surface. Explain how much work is required to eject a positive sodium ion (Na+) from the interior of the cell?
To test the quality of a tennis ball, you drop it onto the floor from a height of 4.00 m. What is the magnitude of its average acceleration during the contact with the floor
A simply supported beam has a concentrated downward force P at a distance of a from the left support, as shown in the figure below. The flexural rigidity EI is constant. Find the equation of the Elastic curve by successive integration.
The best sprinters can run a 100 m in 10.0 s. A 60.2 kg sprinter accelerates uniformly for the first 51.0 m to reach top speed, What is the average horizontal component of force exerted on his feet by the ground during acceleration
A relaed spring protrudes from an opening 0.0500 meters as shown in Figure A. A 1.00-kg block is found to just force the spring completely into the opening as shown in Figure B. A. Determine the spring constant k. B. How much potential energy is stor..
A 5.0 deep swimming pool measures 30 by 16. What force does the water exert on the bottom of the pool
A meteorite has a speed of 75.0m/s when 800km above the Earth. It is falling vertically (ignore air resistance) and strikes a bed of sand in which it is brought to rest in 3.50m. How much thermal energy is produced? What is its speed just before stri..
A toy of mass 0.155 kg is undergoing SHM on the end of a horizontal spring with forces constant 305 N/m. When object is a distance 1.20×10-2 m from its equilibrium position, it is observed to have the speed of 0.255 m/s.
A 10kg block of copper is dropped into 2kg of water. The copper's initial temperature was 15 degrees Celcius. Its temperature rose until it and the water.
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