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Mariulka [41]
3 years ago
9

Water flows through a cylindrical pipe of internal diameter 7cm at 5m/sec. Calculate the volume in litres, of water discharged b

y the pipe in one minute. Also calculate the time ​
Mathematics
1 answer:
noname [10]3 years ago
7 0

Answer:

1,000 cc = 1 liter

Volume of a cylinder = PI * radius^2 * height

(the "cylinder volume" is for one second of "flow")

Volume of a cylinder per sec = 3.14159 * 3.5^2 cm * 5 meters

Volume of a cylinder per sec = 3.14159 * 3.5^2 cm * 500 cm

Volume per second = 19,242 cubic cm which equals

19.242 liters

There are 60 seconds in a minute, so that means the volume per minute =

(19.242 * 60) = 1,154.52 liters / minute

Here's a great flow rate calculator: http://www.1728.org/flowrate.htm

Step-by-step explanation:

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Answer:

2. $2.31

Step-by-step explanation:

25% off, 75% to be paid

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23.625 - 21.32

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URGENT please help!!! I need a explanation please!! You own a restaurant and can reopen as long as people seated at a table are
hram777 [196]

Answer:

1) Maximum number of tables that can be kept in the dinning room is 10 tables

2)The maximum number of customers, given 6 people per table is 60 customers

Step-by-step explanation:

The parameters given are;

Distance between people seated at different tables = 6 ft

Dimension of table = 2 m by 1.5 m

Number of people at a table = 6 people

Dimension of dinning;

Width = 12 m

Length = 20 m

Dimension of entrance;

Width = 20/21*30  m

Length = 10 m

With 6 meters between tables and a table with of 1.5, we have for the arrangement in the question;

3 tables = 4.5 m

Distance between = 2 × 6 = 12

4.5 + 12 = 16 m (More room required)

With two tables, we have;

Width of tables = 2×1.5 = 3 m

Distance between = 6 m

Dining room width required = 3 + 6 = 9 m

Therefore, the maximum tables in each row = 2

Given that the dining room area extends to the entrance area, total length = 30 m.

With 4 tables we have;

Length = 4 × 2 + 6 × 3 = 26

While on the entrance side of the dinning room area which is 20 m, we have 3 tables;

Length = 3 × 2 + 6 × 2 = 18

Therefore, both arrangements are acceptable;

Just on entering by the right the length = 20/21×30 m

Therefore, with 3 tables will required number due to proximity wit the door and tables arranged along the right wall of the dinning

1) Maximum number of tables that can be kept in the dinning room = 4 + 3 + 3 = 10 tables

2)The maximum number of customers, given 6 people per table = 6×10 = 60 customers.

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4 years ago
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