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Nursing Elites

ATI TEAS 7

physics

1. What is the formula to calculate kinetic energy?

Correct answer: a

Rationale: Kinetic energy is calculated using the formula KE = ½ × mass × velocity².

2. What is the process of converting DNA into a protein called?

Correct answer: A

Rationale: Transcription is the process of converting DNA into a molecule called messenger RNA (mRNA). This mRNA molecule carries the genetic information from DNA to the ribosomes, where it is used to make proteins.

3. What property of a substance refers to its ability to undergo a chemical change and form new substances?

Correct answer: c

Rationale: Reactivity refers to a substance's ability to undergo a chemical change or reaction, forming new substances with different properties.

4. Which of the following is the smallest unit of matter?

Correct answer: B

Rationale: An atom is the fundamental building block of matter, while molecules are formed by the combination of atoms.

5. "Ironic" and "serious" are:

Correct answer: B

Rationale: "Ironic" means the opposite of "serious."

6. Two objects with equal masses collide head-on, both initially moving at the same speed. After the collision, they stick together. What is their final velocity?

Correct answer: A

Rationale: In an inelastic collision like this, kinetic energy is not conserved, but momentum is. Since the total momentum before the collision was zero (equal and opposite velocities), it must be zero after the collision as well, resulting in both objects stopping.

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