Question 15 (1 point) Which of the following is the closest to the change in gravitational potential energy for a 10 kg weight which is raised from a 1 m tall stool to a 5
m tall table?
оа
400)
Ob
300)
200)
Od
500)

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

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.