Use it to determine the displacement (in m) of the object after 15.0 seconds of motion. Enter the
appropriate + or - sign.

The total amount of energy contained in an object

8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.

During the past 150 years in the united states, how did energy consumption compare to population growth