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Nursing Elites

ATI TEAS 7

Physics

1. What is the half-life of a radioactive isotope, and how does it relate to its decay rate?

Correct answer: A

Rationale: Half-life tells the time it takes for half of the original radioactive nuclei to decay, offering an indication of the decay rate.

2. What is the functional group present in amines?

Correct answer: C

Rationale: Amines have the functional group -NHâ‚‚. The other choices are associated with different functional groups.

3. What is the scientific study of the relationships between organisms and their environment?

Correct answer: C

Rationale: Rationale: A) Zoology is the scientific study of animals. B) Botany is the scientific study of plants. C) Ecology is the scientific study of the relationships between organisms and their environment, including the interactions between living organisms and their physical surroundings. D) Genetics is the scientific study of genes, heredity, and variation in living organisms, which is not directly related to the relationships between organisms and their environment.

4. Define the term "momentum" in physics.

Correct answer: c

Rationale: Momentum is the product of an object's mass and velocity, describing its motion and resistance to changes in motion.

5. What is the formula to calculate work?

Correct answer: a

Rationale: Work is calculated by multiplying force exerted on an object by the distance the object moves in the direction of the force.

6. A reaction between an acid and a base is known as:

Correct answer: B

Rationale: When an acid and a base react, they neutralize each other's properties

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