if the f/m of a 0.4380 m3/s activated sludge plant is 0.200 mg/mg ? d, the influent bod5 after primary settling is 150 mg/l and the mlvss is 2,200 mg/l, what is the volume of the aeration tank?

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

What’s #16 asking me and how do i solve it?

Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?