Pyruvatic acids are formed during which stage of cellular respiration? glycolysis photosynthesis the electron transport chain the krebs cycle

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?