The process of bonding small solid particles together at high temperature without melting them is called ______________.
Fill in the blank(s) with the appropriate word(s).
sintering
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Determine the shape factors F1-2, F1-3, F2-1, and F3-1 between the surfaces shown in the figure.
The tensile strength (the maximum tensile stress it can support without breaking) for a certain steel wire is 3000 MN/m2. What is the maximum load that can be applied to a wire with a diameter of 3.0 mm made of this steel without breaking the wire?
A) 64 kN B) 9.0 kN C) 42 kN D) 85 kN E) 21 kN
Radio dishes are large in order to:
A) attract funding from NASA and the NSF. B) give greater magnification. C) increase their angular resolution and collect the very weak radio photons. D) increase the range of waves they can collect. E) detect shorter waves than optical telescopes for superior resolution.
What is the total energy of a proton moving at a speed of 2.4 × 10^8 m/s? (proton mass is 1.67 × 10^?27 kg and c = 3.00 × 10^8 m/s)
a. 1.91E–10 J b. 1.77E–10 J c. 2.51E–10 J d. 2.44E–10 J e. 9.02E–11 J