The math department is putting together an order for new calculators. The students are asked what model and color they prefer. Which statement about the students' preferences is true?

Under normal temperature and pressure conditions, what type of rock could be formed from weathering in erosion of metamorphic rock

Steam enters an adiabatic diffuser at 150 kpa and 1208c with a velocity of 550 m/s. determine the minimum velocity that the steam can have at the outlet when the outlet pressure is 300 kpa.

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?