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SIZIF [17.4K]
3 years ago
6

Water enters a shower head through a pipe of radius 0.0112 m at 3.25 m/s. What is it’s volume flow rate? (Unit= m^3/s)

Physics
2 answers:
kenny6666 [7]3 years ago
7 0

Answer:

1.28 \times 10 ^{-3} m^3/s

Explanation:

Given that the radius of the pipe, r =0.0112 m

So, the area of the cross-section, a= \pi (0.0112)^2 = 3.941\times 10^{-4} m^2

Speed of water in the pipe, v=3.25 m/s

Volume flow rate =av= 3.941\times 10^{-4} \times 3.25 = 1.28\times 10 ^{-3} m^3/s

Hence, the volume flow rate is 1.28 \times 10 ^{-3} m^3/s

tangare [24]3 years ago
4 0

Answer:

For Acellus the answer is 0.00128

Explanation:

Trust me

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a horse stands on a flat surface if the horse has a mass of 186 kg what is the normal force acting on it
astra-53 [7]
The mass of the horse is 186 kg.

The weight of the horse is
(186 kg)*(9.8 m/s^2) = 1822.8 N

According to Newton's 3rd Law, there is an equal and opposite force between the horse and the surface.
Therefore the normal reactive force is 1822.8 N.

Answer: 1822.8 N

8 0
3 years ago
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An object is thrown straight down with an initial speed of 4 m/s from a window which is 8 m above the ground. Calculate: a) The
frosja888 [35]

Answer:

0.41s

8.01m/s

Explanation:

Using the formula; v = u + at

Where;

u = initial velocity (m/s)

v = final velocity (m/s)

t = time (s)

a = acceleration (m/s²)

According to the provided information, u = 4m/s, s = 8m,

V = u + at

4 = 0 + 9.8t

4 = 9.8t

t = 0.41s

b) v = u + at

v = 4 + 9.8(0.41)

v = 4 + 4.018

v = 8.018m/s

8 0
3 years ago
A runner makes one lap around a 200m track of 25s. What were the runners average speed and average velocity?
kobusy [5.1K]
Here is the answer. In order for us to get the speed, we are just going to use the formula speed is equal to distance over time. Given that the distance s 200m and the time is 25s, this would give us the answer of 8m/sec. Hope this answers your question.
5 0
3 years ago
A plane flying against a jet stream will travel faster than a plane traveling with a jet stream. Please select the best answer f
stepan [7]

"with the wind" is a tail-wind, and the speeds are added to get the groundspeed.

"against the wind" is a head-wind, and the windspeed is subtracted from the airspeed.

3 0
3 years ago
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1. An object in free fall will have an initial velocity equal to zero when: a. It is thrown vertically down
Ne4ueva [31]

Answer:

b. It is dropped

Explanation:

If the initial velocity is zero, the object move from rest. That happens if the object is dropped

6 0
3 years ago
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