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An amusement park ride called the Rotor consists of a room in theshape of a vertical cylinder (1.98 m inradius) which, once the riders are inside, begins to rotate,forcing them to the wall. When the room reaches a speed of onerotation every 1.56 s, the floor suddenly drops out. What is the minimum coefficient of static friction between riders and wall necessary to prevent them from sliding down the wall?
A spherical shell has an outside radius of 2.6cm and an inside radius of a. The shell wall has uniform thickness and is made of a material with density 4.70g/ cm3. The space inside the shell is filled with a liquid having a density of 1.23g/cm3.
1. calculate the speed of a proton after it accelerates from rest through a potential difference of 290 v . express
A driver travels 10 km east, 20 km north and 50 km in a direction 30 degrees south of west. What is the drivers average velocity if the trip takes 90 minutes
A model rocket blasts off from the ground, rising straight upwardwith a constant acceleration that has a magnitude of 80.4m/s2 for 1.72 seconds, at which point its fuel abruptlyruns out. Air resistance has no effect on its flight. What maximum altit..
A guitar string is 60 cmlong. The string has a mass of 1.8g and is under a tensionof 945N. Calculate the fundamental wavelength for this string
A Carnot engine operates between temperatures of 747 and 324 K. Calculate what the efficiency would be if (a) the temperature of the hot reservoir were raised by 42.5 K or (b) if the temperature of the cold reservoir were lowered by 42.5 K. (Give ..
A Norwich MCE student is involved in a crucial out of class experiment. He is in his dorm room 34 feet above an historic rock wall. Describe the final result and state any assumptions that you need to make. Would the final result be any different o..
question a fire hose ejects a stream of water at an angle of 36.5 degrees above the horizontal. the water leaves the
A 2180kg satellite used in a cellular telephone network is in a circular orbit at a height of 750km above the surface of the earth. What is the gravitational force on the satellit
A heavy stone of mass m is hung from the ceiling by a thin 8.25-g wire that is 65.0 cm long. When you gently pluck the upper end of the wire, What is the mass m of the stone
A wire is formed into a circle having a diameter of 10.3 cm and is placed in a uniform magnetic field of 3.25 mT. The wire carries a current of 5.00 A. Find the maximum torque on the wire.
A plane accelerates from rest at a constant rate of 5.00m/s^2 along a runway that is 1800m long. What is the distance traveled by the plane in the last second before taking off
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