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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 2.5030 in 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?
in a cookbook a poultry thawing chart states that a 10-kg turkey takes 4 days to defrost in a refrigerator. estimate
A 35.0 kg person crawls across a 15.0 m long horizontal beam that has a mass of 15.0 kg. The beam has a support line that is at an angle of 65 degrees up from the horizontal.
A person in a car during a sudden stop can experience potentially serious chest injuries if the combined force exerted by the seat belt and shoulder strap exceeds 16,000 N. Assume the mass of passenger is 80 kg and initial speed of car is 16 m/s....
If an object on a horizontal, frictionless surface is attached to a spring, displaced, and then released, it will oscillate. If it is displaced 0.180 m from its equilibrium position and released with zero initial speed, then after 0.950 s its disp..
An AC adapter for a telephone answering machine uses a transformer to reduce the line voltage of 120 V to a voltage of 5.00 V. The RMS current delivered to the answering machine is 400 mA. If the primary (input) coil of the transformer has 600 tur..
The angular acceleration of a wheel is α =6t4-4t2 with α in radians/s2 and t in seconds. Write expressions for angular velocity
A football is thrown toward a receiver with an initial speed of 20 m/s at an angle of 30.0o above the horizontal. At that instant, receiver is 20 m from the quarterback. In what direction and with what constant speed must the receiver run in order..
A wheel of R=.20 m is mounted on a frictionless, horizontal axis,as shown in the figure. A light cord wrapped around the wheelsupports a m=0.50 kg box. What is the moment of inertia I of the wheel
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity, What is the maximum acceleration that the plane can have without the cup sliding backward on the table
A uniform beam of length L and of weight 900.00 N is attached to a vertical wall by a hinge. calculate the force exerted by the hinge on the beam
A +5.0-microC charge experiences a 0.46-N force in the positive y direction. If this charge is replaced with a charge-2.7-microC, find the magnitude of the force in this case.
An ideal spring with spring constant 600 N/m is on a 30 degree incline. What is the magnitude of the kinetic friction force as the block slides
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