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1. A schlieren photo of a bullet moving through air (see Video V11.10) at 14.7 psia and 68 °F indicates a Mach cone angle of 28°. How fast was the bullet moving in:

(a) m/s,

(b) ft/s,

2. At a given instant of time, two pressure waves, each moving at the speed of sound, emitted by a point source moving with constant velocity in a fluid at rest are shown in Fig. P11.23. Determine the Mach number involved and indicate with a sketch the instantaneous location of the point source.

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Category:- Physics
Reference No.:- M92035651

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