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A gravitron ride at a fair consists of a large cylinder of radius15.0m, spinning about its vertical axis of symmetry. The rider isheld to the inner cylinder wall by static friction as the bottom ofthe cylinder is lowered. If the coefficient of static frictionbetween the wall and rider is 0.8, then how many revolutions per minute must the cylinder execute?
How much work should Denise do to drag her basket of laundry of mass 6.0 kg a distance of 3.0 m along a floor, if the force she exerts is a constant 50.0 N at an angle of 70.0° with the horizontal.
The pilot of an airplane notes that the compass indicates a heading due west. find the velocity of the airplane relative to the ground
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. what is the intensity of the light wave
An old-style TV set places 50 kV across two plates of a parallel plate capacitor. What is the speed of the electron when it exits the hole in the plate
A Cessna aircraft has a lift-off speed of 120 km/h. How long does it take the aircraft to become airborne
Conisder the Earths magnetic field (53 uT) at a point near the equator where the field is horizontal, Calculate the velocity, V of this proton
You are given a 12.0 V battery, and four resistors with the following values: 100.0, 30.0,20.0, 10.0. You also have plenty of wire that has essentially zero resistance.
Find the electric field at the point (2.00,0). The electric field E = Kq/d2 where q is the charge of the source point, K is the Coulomb constant and has the value of K= 8.99 x10 9 N*m2/C2.
A thin spherical shell of mass 4.00 kg and diameter 0.200 m is filled with helium (density ? = 0.180 kg/m3). How long will it take for the top of the shell to reach the water surface
The angular speed of a propeller on a boat increases with constantacceleration from 10.9 rad/s to 24.0 rad/s in 2.20 revolutions. What is the acceleration of the propeller
A uniform narrow tube 1.70 long is open at both ends. It resonates at two successive harmonics of frequencies 245 and 294. What is the speed of sound in the gas in the tube
James is scheduled for a job interview with Ms. Farrar. He knows that she is in charge of selecting, placing, and evaluating employees for her firm, but he cannot remember her educational background. Which is most likely Ms. Farrar's educational back..
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