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A 4.30-kg ball is dropped from a height of 14.5m above one end of a uniform bar that pivots at its center. The bar has mass 6.50kg and is 4.60m in length. At the other end of the bar sits another 6.00-kg ball, unattached to the bar. The dropped ball sticks to the bar after the collision. How high will the other ball go after the collision?
An Argon ion laser has a gain bandwidth of 2 GHz. Find the number of standing wave cavity modes within the gain bandwidth of the argon ion laser
A sphere of mass of m = 1.30 kg is first placed directly on the plate of an electronic scale. Calculate the density of the sphere
The mass per unit length of the cord is 1.24 e-2 kg/m, so the mass of the cord is negligible compared to the mass of block. The cord is being vibrated at a frequency of 167 Hz (vibration source not shown in the drawing).
On her way to visit Grandmother, Red Riding Hood sat down to rest and placed her 1.7-kg basket of goodies beside her. A wolf came along, at what angle was Red Riding Hood pulling
Now consider an atom consisting of two electrons, each of charge -e, embedded in a sphere of charge +2e and radius R. In equilibrium, each electron is a distance d from the center of the atom (the figure (Figure 1) ). Find the distance d in terms of ..
A commuter train blows its horn as it passes a passenger platform at a constant speed of 60.0 m/s. What is the frequency observed by a person on the platform as the train approaches
A block (m=.75kg) is released from the top of a frictionless inclineed plane that has a height of 1.5m, How much energy was lost in the collision
A light string is wrapped around a solid cylinder and a 200 g mass hangs from the free end of the string, what is the tension and the mass of the cylinder
A bullet with mass 20 grams and velocity 100 m/s collides with a wooden block of mass 2kg. What is the maximum compression of the spring
A block weighing 10.82 N rests on a 34° inclined plane. Find the normal force exerted by the plane on the block
A solenoid is used as a rotor of an electrical motor. It is 10 cm long and 2 cm in diameter. The wire wrapped around it makes 1000 turns and has a resistance of 100 Ohms. find the electrical power delivered by the battery
A strip of doped silicon 315 µm wide contains 9.0 1022 conduction electrons per cubic meter and an insignificant number of holes. What is the thickness of the strip
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