Maria is filling a bucket of water from a faucet. after she turns it on, she sees that the cross-sectional area of the water stream right below the faucet is about the size of a quarter, or 4.62×10^4 m2. the stream constricts to about the size of a dime, or 2.52×10^4 m2, after falling 2.50 cm. if the bucket maria is filling has a volume of 10.0 l, how long will it take to fill the bucket?

The time is

Explanation:

Given that,

Area

Area

Height = 2.50 cm

Volume = 10.0 L

We need to calculate the speed

Using equation of continuity

Put the value into the formula

.....(I)

Now, using Bernoulli equation

Here,

.....(II)

Put the value into the formula

Put the value of in the equation (I)

We need to calculate the flow rate

Using formula of flow rate

We need to calculate the time

Using formula of time

Put the value into the formula

Hence, The time is

current flows in a wire

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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