3.Bơm hút dầu từ bình hở theo đường ống thép dài L=5m ; đường kính d=35mm ; độ nhám tuyệt đối =0,1mm ; tổn thất
cục bộ bằng 10% tổn thất dọc đường. Mặt cắt vào của bơm đặt
thất hơn mặt thoáng dầu là h=1m ; lưu lượng bơm Q=60lít/ph.
Tính áp suất tại mặt cắt vào bơm khi dầu có nhiệt độ 20oC
(ν=2St; S δ=0,92) và 80oC (ν=0,1St ; δ=0,85).

Do you want free brainliest and free points? answer this drivers ed question correctly and ill give you both : ) how can you count following distance? a. look for a moving object and count the seconds it takes for you to pass it after the car you are following has passed it. b. look for a stationary object and count the seconds it takes for you to pass it after the car you are following has passed it. c. look for the rear wheels of the car in front and count the number of rotations. d. look for the stripes on the road and count them as you pass by.

What type of commercial speech is not protected by the 1st amendment?

Do you think defendants should have be found guilty beyond a reasonable doubt to be convicted? or do you think a lesser burden of proof, like the preponderance of evidence in needed in civil cases, is more appropriate?