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Suppose a tank contains 774 m3 of neon (Ne) at an absolute pressure of 1.01Ã-105 Pa. The temperature is changed from 293.2 to 294.4 K. What is the increase in the internal energy of the neon?
The drawing shows a circus clown who weighs 950 N. What is the minimum pulling force that the clown must exert to yank his feet out from under himself
Light passes through a 230 lines/mm grating and is observed on a 1.0m wide screen located 1.3m behind the grating. Three bright fringes are seen on both sides of central maximum.
A 620g object traveling at 2.1m/s collides head-on with a 320g object traveling in the opposite direction at 3.8m/s. what is the change in the kinetic energy of the 620g object
a revolving car wheel has a radius of 15m and a mass of 3 X 10^4 kg. what torque needs to be applied to stop the car wheel in 15 sec
When the door is open and at rest, the door closer exerts a torque of 5.40 NxM. What is the least force that you need to be relevant to the door to hold it open.
A 3.3 block of wood sits on a table. A 3.0 bullet, fired horizontally at a speed of 480, goes completely through the block, emerging at a speed of 200 .What is the speed of block immediately after the bullet exits.
A 42-cm-long solenoid, 1.8?cm in diameter, is to produce a 0.030-T magnetic field at its center. If the maximum current is 4.6 A
A concrete highway is built of slabs 8.0 m long (20°C). How wide should expansion cracks between the slabs be (at 20°C) to prevent buckling if the range of temperature is -35°C to +45°C.
A thick layer of oil is floating on the surface of water in a tank. A beam of light traveling in the oil is incident on the water interface , What is the refractive index of the oil
An electromagnet is made by inserting a soft iron core into a solenoid. The solenoid has 1800 turns, radius 2.0 cm, and length 25 cm. What is the relative permeability KB of the iron core
A cylindrical tank 8 m in diameter is constructed of sheet iron 1.0 mm thick. The tank contains 2.3 m of water overlying 1.2 m of mud, Calculate the maximum stress in the tank
A 196.2 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. The force keeping the satellite in orbit is 42.1 N
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