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Katie and Emily are riding on a circular merry-go-round that has a radius of 5 m. Katie is on a horse that is 2.5 m from the center of merry-go-round and Emily is on a tiger that is 4.5 m from the center of the merry-go-round. What is Katie’s tangential velocity if her angular velocity is 0.5 rad/s? What is Emily’s tangential velocity if Katie's angular velocity is 0.5 rad/s?
A student stands on a platform that is rotating without friction at 1.2 rev/s. His arms are outstretched and he holds a brick in each hand. what is the new angular speed of the system
It is said that Galileo discovered a basic principle of the pendulum - that the period is independent of the amplitude - by using his pulse to time the period of swinging lamps in the cathedral, How long is the lamp chain
A bicycle wheel is spinning with an angular velocity of 20 rad/s. How long does it take the wheel to come to rest
The front, convex, surface of a lens made for eyeglasses has a radius of curvature of 12.4cm, and the back, concave, Calculate the focal length of the lens
The coefficient of kinetic friction for wood sliding on wood is 0.20. Illustrate what is the speed of the bullet?
The magnetic field produced by an MRI solenoid 2.7m long and 1.7m in diameter is 1.9T. Find the magnitude of the magnetic flux through the core of this solenoid
Which one of the following situations results in the largestmagnitude torque acting on a rigid object?
The critical angle for light traveling in a particular optical medium and incident on an interface with air is 46.7o. Calculate the refractive index of this medium
A well insulated rigid vessel also contains 3 kg of saturated liquid water at 40 oC. The vessel also contains an electrical resistor that draws 10 amperes when 50 volts are applied.
Neutrons (RBE = 3.4) and %u03B1 particles have the same biologically equivalent dose. What is the RBE for the %u03B1 particles
An automobile has a mass of 1710 kg and a velocity of 23.2 m/s. It makes a rear-end collision with a stationary car whose mass is 2470 kg. What is the velocity of the two cars just after the collision
A simple pendulum in a science museum entry hall is 3.51m long, has a 1.25kg bob at its lower end, and swings with an amplitude of 10.50 degrees. How much time does the pendulum take to swing from its extreme right side to its acute left side.
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