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At an amusement part there is a ride in which cylindricallyshaped chambers spin around a central axis. People sit inswats facing the axis, their backs against the outer wall. Atone instant the outer wall moves with a speed of 3.2 m/s, and an83kg person feels a 560 N force pressing against his back. What is the radius of a chamber?
A sphere of radius 20 cm and mass 1.8 kg starts fromrest and rolls without slipping down a 30 deg incline that is 10 mlong. Calculate its rotational speed when it reaches the bottom
q1. a wheel 66.0 cm in diameter accelerates uniformly from 211 rpm to 395 rpm in 7.5 s. how far will a point on the
Two isolated conducting spheres of equal radius R have charges +Q and -Q, respectively. Estimate the capacitance of this unusual capacitor
An incompressible fluid is flowing through a horizontal pipe with a constriction. The velocity of the fluid in the wide section of the pipe is 5.00 m/s. What is the pressure in the narrow section of the pipe
A small, 1.90-mm-diameter circular loop with R = 1.10×10?2? is at the center of a large 100-mm-diameter circular loop. What is the induced current in the inner loop
A heat engine does 798.57 J of work per cycle while exhausting 163.83 J of waste heat. What is the engine's thermal efficiency in percent
A light spring-gun projectile launcher is mounted on an .443 kg air track glider. find the speed of the air-track glider after the gun is fired
How many kilograms of water at 100 degrees Celsius can be converted to steam by the addition of 1.13X10^7 joules of thermal energy.
Two trains, each having a speed of 30 km/h are headed at each other on the same straight track. A bird can fly 60km/h flies off the front of one train when they are 60 km apart and heads directly back to the first trains and so forth, what's the tota..
A 120 kg barrel which is initially at rest is rolled down an inclined plane. The friction between the barrel and the surface of the plane is negligible, calculate the barrel's velocity when it reaches the ground level
A merry-go-round starts from rest and accelerates uniformly over 10.5 s to a final angular velocity of 6.90 rev/min. Find the person's maximum radial acceleration
he box is taken up a mountain where the air pressure outside the box is 8.00 104 Pa. The inside of the box is completely evacuated. Illustrate what is the magnitude of the force required to pull the lid off the box?
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