Which of the following statements is true about using a case study as a method of descriptive research in psychology? Multiple Choice
A single case study's results are generalizable to the entire population.
A case study's subject is unique, with a personal history that no one else shares.
A case study is most valuable as the last step of the scientific method.
A case study cannot include thorough explorations of particular families or social groups.

with 5 seconds, no, but over time if the police car stays at 65m/s ad the speeding car stays at 60, then obviously yes, but the answer to your question would be, no.

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b.

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the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.