Book edition 1st Edition

Author(s) Paul Peter Urone

Pages 1272 pages

ISBN 9781938168000

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Short Answer

Water pressure inside a hose nozzle can be less than atmospheric pressure due to the Bernoulli effect. Explain in terms of energy how the water can emerge from the nozzle against the opposing atmospheric pressure.

Water that is leaving the nozzle with high kinetic energy creates a condition that hose pressure is always greater than the outer pressure.

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TABLE OF CONTENTS :

TABLE OF CONTENTS

Step 1: Bernoulli’s principle in terms of energy

Bernoulli's principle states that,for an incompressible fluid,the sum of kinetic energy, pressure energy and gravitation potential energy is constant. Interconversion of these energies can take place, however, total energy at any point of fluid remains constant.

Step 2: Explanation of why water can emerge against the opposing atm pressure

When the pressure inside the hose pipe is less, the kinetic energy of the water is high. When water leaves the nozzle its speed is greater than the speed in the hose. According to Bernoulli's principle, this higher kinetic energy of water outside the hose nozzle, creates an even lower pressure region. This is why water can emerge from the nozzle against the opposing atmospheric pressure.

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College Physics (Urone)

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Short Answer

Water pressure inside a hose nozzle can be less than atmospheric pressure due to the Bernoulli effect. Explain in terms of energy how the water can emerge from the nozzle against the opposing atmospheric pressure.

Step by Step Solution

Step 1: Bernoulli’s principle in terms of energy

Step 2: Explanation of why water can emerge against the opposing atm pressure

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College Physics (Urone)

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Short Answer

Water pressure inside a hose nozzle can be less than atmospheric pressure due to the Bernoulli effect. Explain in terms of energy how the water can emerge from the nozzle against the opposing atmospheric pressure.

Step by Step Solution

Step 1: Bernoulli’s principle in terms of energy

Step 2: Explanation of why water can emerge against the opposing atm pressure

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