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tekilochka [14]
4 years ago
11

Which explains the operation of a hydraulic lift system? Pascal’s principle Bernoulli’s principle Newton’s principle Archimedes’

principle
Physics
2 answers:
yKpoI14uk [10]4 years ago
8 0

The correct answer should be:

Pascals Principal Is The Answer.

Pie4 years ago
5 0

Pascal's law explains the operation of a hydraulic lift system.

Answer: Option A

<u>Explanation:</u>

Pascal's law is related to the fact that when there is an increase in pressure at a particular point in a liquid, then there is an increase in pressure at every other point present below.

This concept is applied in hydraulic lift system and so it works on the principle of pascal's law. Benoulli's principle is used in airplanes and in nozzles. Archimedes principle is related to buoyant force.

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PLEASE HELP ME! IM TIMED
viktelen [127]
The last answer I think
3 0
3 years ago
A 1.0-m-tall vertical tube is filled with 20°C water. A tuning fork vibrating at 580 Hz is held just over the top of the tube as
Mademuasel [1]

Answer:

water heights of the tube are 0.851 m  , 0.553 m, 0.255 m

Explanation:

given data

frequency = 580 Hz

temperature = 20°C

tube = 1 m

to find out

water heights of the tube

solution

we will apply here formula for length that is

length L = v ( 2n -1 ) / 4f

here v is velocity o sound that is 343.2 m/s

so for n = 1

L = 343.2 ( 2(1) -1 ) / 4(580) = 0.147931 m

for n = 2

L = 343.2 ( 2(2) -1 ) / 4(580) = 0.443793 m

for n = 3

L = 343.2 ( 2(3) -1 ) / 4(580) = 0.739655 m

for n = 4

L = 343.2 ( 2(4) -1 ) / 4(580) = 1.035517 m is greater than 1

and so here  height is measured less than 1 m

so water heights of the tube are 1 m - 0.147931 m  , 1 m - 0.443793 m, 1 m - 0.739655 m

so water heights of the tube are 0.851 m  , 0.553 m, 0.255 m

3 0
3 years ago
Heavier elements require higher temperatures to fuse. After stars run out of hydrogen in their cores, they leave the main sequen
Kruka [31]

Answer:

A. Add mass to the Sun.

Explanation:

A. Add mass to the Sun.

Adding mass will make to take more time for the hydrogen to run out and hence, enough temperature will be developed to fuse helium atom into other heavier elements, and eventually get hot enough to fuse the helium in their cores into carbon.

The only hypothetical solution is that we need to add Mass to the Sun.

5 0
4 years ago
A van of mass 2500kg travelling at a velocity of 12 m/s collides with a stationary car of mass 700kg. The vehicles move together
Fiesta28 [93]

Answer: 9.375m/s

Explanation: This is an inelastic collision, so the formula is mv1+mv2=(m1+m2)v-final. My work is a follows:

2500kg(12m/s) + 700kg(0m/s)=(2500kg+700kg)(v-final)

30,000kg(m/s)+0=3200kg(v-final)

30,000kg(m/s)/3200kg=9.375m/s

5 0
3 years ago
Suppose an automobile has a kinetic energy
enyata [817]

Answer:

Explanation:

Given that,

Kinetic energy of an automobile is 2300J

K.E = 2300J

The formula for kinetic energy is

K.E = ½mv²

So, if the speed of the automobile is increased by 6, what is the kinetic energy

Now v' = 6v.

The mass of the automobile is constant.

Therefore, the kinetic energy is

K.E' = ½mv'²

Where v' = 6v

K.E' = ½m(6v)²

K.E' = ½m × 36v²

K.E' = 36 × ½mv²

Where, from above ½mv² = 2300J

Then,

K.E' = 36 × 2300 = 82,800J

The kinetic energy of the automobile when it increase it's speed is 82,800J

4 0
4 years ago
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