Physics, 17.09.2021 20:30 coolquezzie
A student conducts an experiment to determine how the temperature of water affects the time for sugar to dissolve. In each trial, the
student uses a different amount of water and a different temperature of water
What is wrong with this experimental design?
O The student needs to perform more trials.
O The student does not have a dependent variable.
The student changed more than one independent variable.
The student did not change enough independent variables.
Answers: 3
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What are similarities and differences between refraction, reflection, diffraction and absorption?
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Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
Answers: 1
A student conducts an experiment to determine how the temperature of water affects the time for suga...
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