What is the energy in eV of a photon of yellow light? l = 500 nm
2.48 eV
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For an anchor stem of a hip implant, the requirement of 8 % ductility rules out what class of materials?
(a) Metals (b) Polymers (c) Ceramics (d) Composites
A fluid at 40ºC flows at 8 m/s along a flat plate that is 3 m long. The plate is maintained at 100ºC. Determine the local convective heat transfer coefficient and the average convective heat transfer coefficient using 4 x 105 as the critical Reynolds number, for
a) Air at 100 kPa b) Water at 100 kPa
Which of the following is an advantage that liquid water has as a biological solvent compared to other alternatives?
A) when it freezes it becomes less dense B) it is a liquid over a wide temperature range and remains liquid at higher temperatures C) it is able to dissolve many things D) all of these are advantages
A particle moves at a constant speed in a circular path with a radius of 2.06 cm. If the particle makes four revolutions each second, what is the magnitude of its acceleration?
a. 20 m/s2 b. 18 m/s2 c. 13 m/s2 d. 15 m/s2 e. 24 m/s2