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A flywheel comprises a uniform circular disk with a mass of 101.0 kg and a radius of 1.1 m. It rotates with an angular velocity of 1183 rev/min. A constant tangential force is applied at a radial distance of 0.8 m. What energy must this force dissipate to stop the wheel? If the wheel is brought to rest in 117.0 s, what is the tangential force? How many revolutions does the flywheel make while it is stopping in time 117.0 s?
A uniform stick d = 1 m long with a total mass of 249 g is suspended vertically from a frictionless pivot at its top end. A wad of putty of mass 26 g is moving horizontally with speed v. It strikes and sticks to the stick at a distance 0.75 m from th..
Standing waves are set up on two strings fixed at each end, as shown in the drawing. find the beat frequency produced by the two standing waves
On a frictionless track, a 0.55 kg cart is traveling at 0.70 m/sec when it runs into a spring that is anchored to the end of the track. what is the original kinetic energy of the cart as it approached the spring
A highway curve with radius 1000{\rm ft} is to be banked so that a car traveling 48.0{\rm mph} will not skid sideways even in the absence of friction
A 69.0 kg person throws a 0.0400 kg snowball forward with a ground speed of 35.0 m/s. What are the velocities of the two people after the snowball is exchanged
Damped forced oscillations, A single stage vibration isolation system consists of a heavy granite slab (100 kg) sitting on legs which act as a vertical damped spring. The "Q" (Quality Factor) of the system is 8.0, and the velocity damping coeffici..
A child is in danger of drowning in the Merimac river. The Merimac river has a current of 3.1 km/hr to the east. How far from the dock does the boat reach the child
Suppose you throw a 0.048-kg ball with a speed of 10.7 m/s and at an angle of 32.1° above the horizontal from a building 11.5 m high. What will be its kinetic energy when it hits the ground
Atoms are typically spaced about 0.2 nm apart. At that spacing, how many atoms would be found in a line 4.93 inches long?
The maximum torque experienced by a coil in a 0.80 T magnetic field is 8.4 10-4 N · m. What is the length of the wire from which the coil is made
a high speed cooling fan has a maximum angular speed of 15.0 rad/sec, calculate the angular acceleration when the device goes from idle speed to operational speed
A 2.18-m-long diving board of mass 13.2kg is 3.00m above the water. It has two attahcments holding it in place. Assuming that the board has a uniform density, find the force acting on each attachment
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