Focus groups
a. are usually composed of 10 to 15 people as participants
b. yield result...
Physics, 30.08.2019 06:30 nmartin1467
Focus groups
a. are usually composed of 10 to 15 people as participants
b. yield results that are largely dependent on the viewpoint of the researcher
c. always do a good job of representing the broader target market
d. have a low cost per participant
Answers: 1
Physics, 22.06.2019 13:00
Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 β 103 s. given that the charge of an electron is 1.6022 β 10β19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.
Answers: 1
Physics, 22.06.2019 15:50
An object with initial temperature 130 β f is submerged in large tank of water whose temperature is 50 β f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = β 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
Answers: 1
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