What would be the potential energy of the car
A roller coaster has a HYDRALUIC catapult propels the car to the top of the ride at a height of 405 ft. If the car and ocupants weigh 1189 lb what would be the potential energy of the car at the top in joules
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Liquid Hexane, C6H14, undergoes combustion. If 93.1 g of hexane combusts in the presence of excess oxygen, how many g of carbon dioxide will be produced?
Determine (a) the mass flow rate of condensate, in lb/min. (b) the rate of heat transfer, in Btu/min. (c) the rate of entropy production, in Btu/R - min. (d) the rate of exergy destruction, in Btu/min, for T0 = 50 degrees F.
Magnesium metal burns in the presence of gaseous oxygen to produce solid magnesium oxide. If 12.5 moles of magnesium reacts with 5.25 moles of oxygen, how many moles of magnesium oxide can be produced?
Assume that the ball is released at the same height it is caught and that the receiver is straight downfield from the quarterback at the time of release. (Ignore any effects due to air resistance.)
A freezer is 1 m wide and deep, and 2 m high, and must operate at -10 degree C when the ambient air is at 30degree C. What thickness of polysterene is required if the load on the refrigeration unit should not exceed 200W?
The drinking water standard for dissolved Mn2+(aq) is .05 mg/L. Assuming dissolved Ca2+=10-3.00 M and CO2-3 = 10 -5.48 M compute Mn2+(aq) at equilibrium with this solid solution.
The speed limit on a country road is 70 km/hr. The radius of curvature for a bridge on the road is 50 meters. Was the ticket deserved? Show why or why not.
When you blow up a balloon, do you slightly warm the balloon? When air is allowed to rush out of it, how, if at all, does the temperature of that expanding air change?
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Based on the findings presented by Swathi and Reddy (2016), the authors highlight that the teaching profession is characterized by high levels of stress
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