A vertical pipe of 40mm diameter carrying a flow of a Crude oil of μ = 1.7 poise and relative density 0.82. The pressure gauges fixed in point A and point B which is above A, the distance between A and B is 50 m. Pressure gage of point A reads 650 kN/m2 and Pressure gage of point B reads 300 kN/m2. Find the direction and rate of flow through the pipe? ​

Aman pushes on a trunk with a force of 250 newtons. the trunk does not move. how much positive work is done on the trunk? 0.0 j -250 j 250 j 125 j

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of