Determine the required height h of the roller coaster so that when it is essentially at rest at the crest of the hill a it will reach a speed of 100 km/h when it comes to the bottom b. also, what should be the minimum radius of curvature rho for the track at b so that the passengers do not experience a normal force greater than 4mg=(39.24m)n? neglect the size of the car and passenger.

Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.

The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false

Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery