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vovikov84 [41]
4 years ago
11

Bernoulli’s principle states that fluid velocity decreases when flow is restricted. True False

Physics
2 answers:
lianna [129]4 years ago
8 0

It is true that Bernoulli’s principle stated that fluid velocity decreases when flow is restricted.

<u>Explanation: </u>

Bernoulli’s principle is one of the significant rule to determine the properties of fluids. According to this principle, the fluid velocity is inversely proportional to pressure and directly proportional to volume of fluid in the passage.

The more restrictions are present , the pressure will be decreasing. Thus, the fluid should occupy more volume in the tube after restriction than the volume occupied previously.

This confirms that the velocity of the fluid will be increased when the restrictions are increased.

Marrrta [24]4 years ago
5 0
True. The given statement is true
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Answer:

The speed of second toy cart is 4 m/s.

(c) is correct option

Explanation:

Given that,

Mass of first toy cart = 2 kg

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We need to calculate the speed of second toy cart

Using formula of momentum

m_{1}v_{1}=m_{2}v_{2}

Where, m₁ = mass of first toy cart

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v₁ = velocity of first toy cart

v₂ =  velocity of second toy cart

Put the value into th formula

2\times12=6\times v_{2}

v_{2}=\dfrac{2\times12}{6}

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Answer:

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