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a steel ring with a 2.500 in diameter at 20 degrees Celsius is to he warned and slipped over a brass shafts with a 2.5030in outside diameter at 20 degrees Celsius
To what temperature should the ring be warmed?
if the ring and the shaft together are cooled by some means such as liquid air, at what temperature will the ring just slip off the shaft?
An electronics technician has three resist on (20,30,60) that she can put into a circuil. Draw all the possible combinations of resistance that can be made with using any or all of these resections? You don't needs to include zero resistance and you ..
When red light in a vacuum is incident at the Brewster angleon a certain type of glass, the angle of refraction is 29.9degrees. What are the Brewster angle
A battery with an emf of 12.0 V shows a terminal voltage of 11.8 V when operating a circuit with four light bulbs each rated at 4 W (at 12.0 V) which are connected in parallel. What is the current in each bulb
A block of mass m and initial speed collides elastically with a block of mass 2m which is initially at rest. Assuming the positive direction is to the right and that there is no friction between the surface and the blocks, what is the velocity of the..
Two 0.20-H inductors and one 0.44-H inductor are connected in series across the terminals of a 60.0-Hz ac generator. What is the total inductive reactance of this circuit
A textbook of mass 1.98kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.160m , find the tension in the part of the cord attached to the book
A 10.0 kg crate is pulled up a rough incline with an initialspeed of 1.5 m/s. The pulling force is 100.0 N parallel to theincline, find the change in kinetic energy of the crate
A boy whirls a stone in a horizontal circle of radius 1.9 m and at height 1.8 m above level ground. obtain the magnitude of the centripetal acceleration of the stone
Find the current in the wire, the resistance of the wire, the power dissipated by the wire and the potential difference between the ends of the wire.
The men's world record for the shot put, 23.12 m, was set by Randy Barnes of the United States on May 20, 1990. what was its initial speed
a tiny sphere of mass 7.30 microg and charge 2.80 nc is initially at a distance of 1.74 microm from a fixed charge of
Think an object that is in an elliptical orbit with semi major axis a = 7.4×106 m regarding a planet of mass M = 3.2×1023 kg. What is the speed of the object (a) When it is closest to the planet a tr = a/4? (b) When it is furthest from the planet?
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