Properties of Matter 4 Question 14
16. If the piston is pushed at a speed of , the air comes out of the nozzle with a speed of
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 16.
Solution:
- Terminal velocity
and viscous force
Rate of production of heat (power) : as viscous force is the only dissipative force.
Hence,