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melisa1 [442]
3 years ago
6

a fluid in equilibrium within a vessel exerts pressure intensity to all parts of the fluid, according to _____ principle

Physics
1 answer:
ser-zykov [4K]3 years ago
5 0

<u>Answer:</u>

<em>A fluid in stability in a vessel applies pressure energy to the complete fluid, according to </em><u><em>Pascal's principle.</em></u>

<u>Explanation:</u>

Pascal's principal explains that Pressure changes applied to the outer part of an confined fluid are transferred uniformly throughout the fluid.

<em>Pascal's law  is a one of the laws in fluid mechanics.</em>

This is given by Pascal. This law  explains  that a pressure change at any point in a limited close fluid is<em> transferred throughout the fluid</em> such that the same change occurs everywhere.

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Given

mass (m) = 1 kg

velocity (v) = 10 m/s

kinetic energy ( ke) = ?

,we know

K.E =1/2 m v²

= 1/2 * 1 * 10²

= 100/2

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hope it helps :)

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A 50 kg child runs off a dock at 2.0 ms (horizontally) and lands in a waiting rowboat of mass 150 kg. At what speed does the row
Alex73 [517]

Answer:

The boat moves away from the dock at 0.5 m/s.

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Hi there!

Since no external forces are acting on the system boy-boat at the moment at which the boy lands on the boat, the momentum of the system is conserved (i.e. it remains constant).

The momentum of the system is calculated as the sum of the momentum of the boy plus the momentum of the boat. Before the boy lands on the boat, the momentum of the system is given by the momentum of the boy.

momentum of the system before the boy lands on the boat:

momentum of the boy + momentum of the boat

m1 · v1 + m2 · v2 = momentum of the system

Where:

m1 and v1: mass and velocity of the boy.

m2 and v2: mass and velocity of the boat.

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50 kg · 2.0 m/s + 150 kg · 0 m/s = momentum of the system

momentum of the system = 100 kg m/s

After the boy lands on the boat, the momentum of the system will be equal to the momentum of the boat moving with the boy on it:

momentum of the system = (m1 + m2) · v (where v is the velocity of the boat).

100 kg m/s = (50 kg + 150 kg) · v

100 kg m/s / 200 kg = v

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The boat moves away from the dock at 0.5 m/s.

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There are two different alleles for the number of fingers on the hands: 5 finger allele and 6 finger allele. When both the 5 fin
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