To stop a 1.2 kg ball going 7.8 m/s, requieres 1.2 N over 3.2 seconds to stop. What was the momentum of the ball ?

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.

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?