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A Ferris wheel has radius 5 meter and makes one revolution every 8 second with uniform rotation. A person who normally weighs 670 Newton is sitting on one of the benches attached at the rim of the wheel. Compute the apparent weight of the person as she passes through the highest point of her motion?
In one of my demonstrations, I let someone break concrete blocks that are placed on top of me while I am sandwiched between two beds of nails. explain how the nails do not penetrate into my body
In Mexico, a courageous diver runs horizontally off the edge of a sea side cliff 48.8 m above the sea (about six stories high). Calculate her speed and direction angle of her velocity as she hits the water(or rocks)
A small rubber ball is launched by a compressed-air cannon from ground level with an initial speed of 18.9 m/s directly upward. How long does it take to reach the maximum height
If, in actuality, a 750 kg car with an initial speed of 96.0 km/h is observed to coast up a hill to a height of 17.0 m above its starting point, how much thermal energy was generated by friction
A certain dog whistle operates at 23.0 kHz while another (brand X) operates at an unknown frequency. estimate the operating frequency of brand X
0.10mol of nitrogen gas follow the two processes shown in the figure(Figure 1) . How much heat is required for isothermal process? How much heat is required for adiabatic process?
A charge of -3.9 micro-coulombs is launched from the positive plate of a large capacitor to the negative plate.
An isolated piston+ cylinder arrangement shown contains a diatomic ideal gas at 300 K at equilibrium. find the new equilibrium temperature of the gas
A horizontal piston-cylinder assembly contains 0.25 kg of an ideal gas (M=28.97 kg/kmol) of constant heat capacity (Cp=1 kj/kg*k and Cv=0.72 kj/kg*k), How much heat is transferred during this process
if a compressive force of 1850.549 lbf is applied on a cross-section of a 20ft aluminum rod with a radius of 6.826mm
A house painter is standing on a uniform, horizontal platform thatis held in equilibrium by two cables attached to supports on the roof. How large is the force exerted by the right-hand cable
A boy of mass 58.1 kg is about to disembark from a canoe of mass 36.3 kg, How far is the boy from the dock when he reaches the bow
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