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It is desired to slip an aluminum ring over a steel bar. At 10 the inside diameter of the ring is 4.550 and the diameter of the rod is 4.580 . In order for the ring to slip over the bar, the ring is heated. Once the aluminum ring is slipped over the bar, the ring and bar are allowed to equilibrate at a temperature of 10 . The ring is now stuck on the bar
a) If the temperatures of both the ring and the bar are changed together, should the system be heated or cooled to remove the ring?
b) Find the temperature at which the ring can be removed.
A motorist suddenly notices a stalled car and slams on the brakes, decelerating at the rate of 6.3 m/s2, How much time elapsed from the initial braking to the collision
A solid aluminum cylinder with density equal to 2700 kg/m3 has the weight equal to 0.66 N in air and the apparent weight of 0.22 N when immersed in an unknown liquid. What is the density of this liquid
A bullet is fired through a board 10.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. The initial speed of the bullet is 400 m/s and it emerges from the other side of the board with a speed of 30..
The invaders’ thermometer shows the temperature on earth to be 58 °I. Using logic similar to that in Example 1 in the text, illustrate what would this temperature be on the Celsius scale?
Using a vernier caliper of least count 0.01 cm, the length of a cylinder is measured to be 3.76 cm, and its diameter 1.28 cm. Find the volume of the cylinder. Calculate the probable percent error in the length. Calculate the probable percent error..
The space shuttle is in a 300km -high circular orbit. It needs to reach a 610km -high circular orbit to catch the Hubble Space Telescope for repairs, How much energy is required to boost it to the new orbit
At one time, television sets used "rabbit-ears" antennas. Such an antenna consists of a pair of metal rods. The length of each rod can be adjusted to be one-quarter of a wavelength of an electromagnetic wave whose frequency is 125 MHz. How long is ea..
When the centrifuge reaches an angular speed of 2.5 rad/s, the trainee experiences a total acceleration equal to 4.8 times the acceleration due to gravity. Explain how long is the arm of the centrifuge?
The length of a string is 456 cm. It is held ?xed at each end. The string vibrates in three sections; i.e., the string has three antinodes and string vibrates at 180 Hz.
A series ac circuit contains a 230? resistor, a 18.0mH inductor, a 4.50?F capacitor, What is the power factor of this circuit
250.0 gram industrial mold absorbs 5,575 calories of heat when it is filled with an alloy. If the specific heat of the mold is 0.275 calories per gram degree Celsius, explain by how much does its temperature rise?
Find out the magnetic induction at a point
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