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A Ferris wheel 30.0 meter in diameter rotates once every 18.0 second.
(a) Find the ratio of a man apparent weight to her real weight at the top?
(b) Find the ratio of a man apparent weight to her real weight at the bottom?
A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t) where D and x are in meters and t is in seconds. find maximum and minimum speeds of particles of the cord
Two forces are acting on a 0.250-kg hockey puck as it slides along the ice. what will be the magnitude and direction of the puck\'s acceleration
What mass of water at 26.0 °C must be allowed to come to thermal equilibrium with a 1.69-kg cube of aluminum initially at 1.50 102 °C to lower the temperature of the aluminum to 74.6 °C? Assume any water turned to stream subsequently recondenses.
A cylinder of mass 14.0 kg rolls without slipping on a horizontal surface. find the rotational kinetic energy about its center of mass
Two waves traveling on a string in the same direction both have a frequency of 236 Hz, a wavelength of 0.40 m, and an amplitude of 0.14 m. What is the phase difference between the two waves
A capacitor of 12µF is charged by a 30 V battery. Afterwards, the capacitor is disconnected from the battery and connected to an inductor with L = 2H. What is the initial charge on the capacitor
four moles of an ideal gas are caused to expand from a volume v1 to a volume v2 2v1.a if the expansion is isothermal
A magician wishes to create the illusion of a 2.17-m-tall elephant. He plans to do this by forming a virtual image of a 57.0 cm tall model elephant with the help of a spherical mirror. what radius of curvature is needed
A helicopter of mass 3770 kg can create an upward lift forceF. When empty, it can accelerate straight upward at amaximum of 1.37 m/s2. What is the mass of the cargo
A 1000 kilogram boat travels across a lake when its engine is shut off. Determine the time it takes to slow down to one half its original speed when the engine is shut off
green laser light shines on a double slit creating a pattern of bright and dark spots on a screen some distance away.
how can you relate the flow of electrical current through a resistor to the production of thermal energy? describe what
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