a system absorbs 500J of heat and at the same time 400J of work is done on the system what is change in internal energy​

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.

What do you think car designers do if the damage caused by a crash test is too severe?

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults