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Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.