a fluid of specific gravity 1.4 is flowing through a horizontal conduit at a velocity of 4.5 m/s before descending 5 m to a lower portion of the conduit where it travels horizontally at 10 m/s What is the pressure difference

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?