Acommonly used method of fastening one part to another part is called "shrink fitting." a steel rod has a diameter of 2.0024 cm, and a flat plate contains a hole whose diameter is 2. cm. the rod is cooled so that it just fits into the hole. when the rod warms up, the enormous thermal stress exerted by the plate holds the rod securely to the plate. by how many celsius degrees should the rod be cooled?
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Physics, 22.06.2019 09:30
This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer
Answers: 2
Physics, 22.06.2019 20:20
An electron is trapped at a defect in a crystal. the defect may be modeled as a one-dimensional, rigid-walled box of width 1.00 nm. (a) sketch the wavefunctions and probability densities for the n 1 and n 2 states. (b) for the n 1 state, nd the probability of nding the electron between x1 0.15 nm and x2 0.35 nm, where x 0 is the left side of the box. (c) repeat (b) for the n 2 state. (d) calculate the energies in electron volts of the n 1 and n 2 states
Answers: 1
Acommonly used method of fastening one part to another part is called "shrink fitting." a steel rod...
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