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fenix001 [56]
3 years ago
12

Newtons laws of motion

Physics
1 answer:
Viktor [21]3 years ago
7 0

Answer:

Law 1. A body continues in its state of rest, or in uniform motion in a straight line, unless acted upon by a force.

Law 2. A body acted upon by a force moves in such a manner that the time rate of change of momentum equals the force.

Law 3. If two bodies exert forces on each other, these forces are equal in magnitude and opposite in direction.

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Which is true about the pressure of a fluid at a specific depth? A. It depends on the surface area of the fluid. B. It is exerte
Dahasolnce [82]

Answer:

c) depends only on the type of fluid

Explanation:

The pressure of a fluid at a specific depth is given by:

where

is the density of the fluid

g is the gravitational acceleration

h is the depth

We see that for a given depth h, the pressure of the fluid depends only on its density, so only on the type of fluid. Therefore, the correct choice is

a) depends only on the type of fluid

The other choices are wrong because:

b) the pressure is exerted in every direction

c) the pressure does not depend on the total volume of the fluid, but only on the depth h

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3 years ago
A sharp edged orifice with a 50 mm diameter opening in the vertical side of a large tank discharges under a head of 5m. If the c
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Answer:

0.24

Explanation:

See attached file

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3 years ago
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mylen [45]

Answer:

Helium atoms compared to nitrogen atoms are moving faster and have a greater kinetic energy.

Explanation:

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If the student hit a drum in his bedroom how would the sound wave behave differently than if he hit it in a swimming pool? Pleas
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The sound wave would behave differently in a swimming pool than in his bedroom because sound waves travel faster in more dense mediums; such as water. The wave will travel faster in water, and slower in air.
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3 years ago
How many neutrons does element x have if it's atomic number is 27 and it's mass number is 74
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3 0
3 years ago
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