The separation between adjacent nodes of standing waves for a given wavelength λ is Question options:

A. λ/8

B. λ/4

C. λ/2

D. 2λ

E. 4λ

Atwo-stage air compressor operates at steady state, compression 10m^3/min of air from 100 kpa and 300k to 1200 kpa. an intercooler between the two stages cools the air to 300k at a constant pressure of 350 kpa. the compression processes are isentropic. a) calculate the power required to run the compressor, in kw b) compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.

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A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped