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1) A steel tube has a length of 8.220 centimeter, an inside diameter of 2.540 centimeter and an outside diameter of 2.650 centimeter at -125 °C.
a ) Find the new values of these parameters at 125 °C.
b ) Has the volume of the tube changed? If not, why not? If so, by how much?
2) Find at what temperature (in K) is the Fahrenheit temperature value 100 greater than the Celsius temperature value?
A 15.0 kilogram kid on a 3.00 meter long swing is released from rest when the ropes of the swing create an angle of 33.0 degree with the vertical. calculate the kid's speed at the lowest position
A spinning wheel on a fireworks display is initially rotating in a counterclockwise direction. The wheel has an angular acceleration of -3.20 rad/s2. Find what time is required for the change in the angular velocity to occur
Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they walk away in different directions. Ricardo walks 24.0 in a direction 60.0 west of north. Jane walks 12.0 in a direction 20.0 south of west. They then ..
Give a symbolic expression for the change in reading of the scale.
A car is travelling at 15m/s while the driver spots a large pothole in the road a distance 45 m ahead. She immediately applies her brakes. Her acceleration is -9.6 m/s2. What is the stopping distance.
Consider a linear model of a molecule with three atoms. The outer atoms are of mass m and the atom in the molecules center is of mass M. Determine the Eigen frequencies of the system
A 30-kg child rides on a circus Ferris wheel that takes her around a vertical circular path with a radius of 20 m every 22 s. What is the magnitude of the resultant force on the child
Suppose that you wish to fabricate a uniform wire out of 1.00 g of copper. Assume the wire has a resistance R = 0.700 , and all of the copper is used. Illustrate what will be the length of the wire?
Two charged spheres are 8.45 cm apart. They are moved and the force on each of them is found to have been tripled. How far apart are they now.
A laser emits a narrow, circular beam of light. The radius of the beam is 1.37×10-3 m, and the power is 1.44×10-3 W
Compare and contrast the average kinetic energy of 0.5 L of coffee at 34°C, 0.5 L of coffee at 38°C, and 0.25 L of tea at 43°C. 4. Compare the thermal energy of 0.5 L of coffee at 38°C and 0.25 L of coffee at 38°C. 5.
Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 446 N and F2 = 399 N. what is the resultant of these two magnitudes
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