A cable is 50.0 m long and has a diameter of 2.50 cm. A force of 10,000 N is applied to the end of the cable. If the maximum stretch allowed in the cable is 2.00 mm, then what is the minimum tensile modulus allowed?
a. 
b. 
c. 
d. 
e. 
a.
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Water-90% triethylene glycol is to be used to dry air. If the mixture is added to an air stream at 25ºC, determine the amount of mixture required per kilogram of dry air to dehumidify the air if the air stream is at 35ºC and 90% relative humidity. Assume that 25% excess mixture is required than theoretically predicted. Also determine the outlet air temperature and the relative humidity. Assume that the specific heat of triethylene glycol is 2.4 kJ/kg?K.
What will be an ideal response?
Possible units for the coefficient of volume expansion are:
A. mm/C? B. mm3/C? C. (C?)3 D. 1/(C?)3 E. 1/C?
A loop-like bend in a river channel is called
a. a meander. b. a stream. c. a detour. d. none of these.
How does quantum mechanics undermine the idea of determinism in physics?
a. Imperfect physics measurements leading to uncertainty in predictions. b. As described by Einstein's comment, "[God] is not playing at dice." c. Imperfect quantum physics measurements leading to uncertainty in predictions. d. Acceptance of the Heisenberg uncertainty principle. e. The discovery of "hidden variables."