2.1.1. with the aid of graph, state the independent and dependent variable of the experiment 2.1.2.what does the shape of the graph tell you about the relationship between acceleration and force?

2.1.3.What physical quantity is represented by the gradient of the graph?

2.1.4. calculate the gradient of the graph

2.1.5. Determine the mass of the system making use of your value calculated in 2.1.4​

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Researchers conducted an experiment to identify the effects of three different hand sanitizers on the growth of bacteria. the researchers grew one type of bacteria in twenty-four identical covered petri dishes. then, they opened eighteen petri dishes and applied the three hand sanitizers to six petri dishes each. they left the remaining six petri dishes closed as a control group. when the researchers measured the growth of bacteria two days later, the six dishes that had no hand sanitizer showed the least amount of bacterial growth. the researchers concluded that not using any hand sanitizer would lead to the least bacterial growth. which statement best explains why the researchers’ conclusion was not justified? the experiment tested too many variables. the control group was not treated the same as the experimental group. the sample size of twenty-four petri dishes is not large enough. the single type of bacteria is not adequate to make any conclusions.

Current vs. forcewhat type of relationship does this graph show?