Answer: 
Explanation:
This problem can be solved by the following equation:
Where:
is the pressure difference between the two ends of the pipe
is the viscosity of oil
is the length of the pipe
is the Rate of flow of the fluid
is the diameter of the pipe
is the radius of the pipe
Soving for :
Finally:
Answer:
50km/h
Explanation:
Average velocity = change in distance (or distance travelled) divided by/ the change in time (or time taken.)
The change in distance has been given as 100km.
The change in time is 3pm-1pm = 2 hours.
Therefore the average velocity was 100/2 = 50km/h (to the east).
Hope this helped!
'Intelligent person' could be a possibility for your answer, also a 'scientist' or a 'philosopher' as well as 'an old person' may equal to the meaning of being 'wise humans'.
Answer:
I do not believe so.
Explanation:
We have not advanced that far yet in our society.
A nonactive person should go swimming because swimming is a great exercise and when you are swimming the bones are more oiled up and they are more lubed and moveable. There are so many benefits that swimming help, for example, swimming helps keep your heart rate up but takes some of the impact stress off your body, it builds endurance, muscle strength and cardiovascular fitness, it helps you maintain a healthy weight, and healthy heart and lungs, it also helps tones muscles and builds strength, and lastly it provides an all-over body workout, as nearly all of your muscles are used during swimming. Swimming is a way to relax peacefully, alleviate stress, improving coordination balanced and posture, it improves flexibility. Before going to swim make sure you warm up and stretch your muscles and joints, have plenty of fluid on hand and drink regularly. Swimming has become one of the most popular sports in Australia and the nation is surrounded by water and swimming which is one of the huge passions that people have created. Its one way to have fun, keep fit, stay healthy and make friends. Swimming is also a healthy activity that you can continue for a lifetime and it has a low-impact that had many physical and mental health benefits. Swimming has helped a lot of special need kids, it's also an exercise that doctors recommend a lot to all their patients if they got an injury or when they have to do some kind of special exercise
Swim Test:
1. Jump into the pool, submerge fully, return to the surface and immediately begin swimming without pushing off the wall.
2. Swim in a horizontal position on top of the water using a forward crawl or breaststroke. The swimmer's arms must achieve full extension on every stroke, and he or she must maintain one or both of the strokes for the full 25-yard swim. Pausing is only allowed when the swimmer is rotating or turning to breathe.
3. Exit the pool without assistance using either the wall or pool ladder.
4. do 4 laps in 3 minutes
