Complete Question Bank

HESI A2 · Physics · HESI Exams Quizlet Physics

Full Question & Rationale Repository

Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which of these objects has the greatest momentum?

A. A 1,250-kg car moving at 5 m/s

B. An 80-kg person running at 4 m/s

C. A 10-kg piece of meteorite moving at 600 m/s

D. A o.5-kg rock moving at 40 m/s

Expert Explanatory Rationale

Correct Answer: A 1,250-kg car moving at 5 m/s

Question 2 of 5

Which of the following substances has the highest density?

A. Mist

B. Water

C. Steam

D. Ice

Expert Explanatory Rationale

Correct Answer: Water

Question 3 of 5

How do a scalar quantity and a vector quantity differ?

A. A scalar quantity has both magnitude and direction, and a vector does not.

B. A scalar quantity has direction only, and a vector has only magnitude.

C. A vector has both magnitude and direction, and a scalar quantity has only magnitude.

D. A vector has only direction, and a scalar quantity has only magnitude.

Expert Explanatory Rationale

Correct Answer: A vector has both magnitude and direction, and a scalar quantity has only magnitude.

Question 4 of 5

The specific heat capacity (c) of a material is the amount of heat transfer (Q) required to raise the temperature (ΔT) of a unit mass (m) of the material by one degree (typically Celsius). The relationship between these quantities is described by the equation:

A. Q = cΔT

B. Q = mcΔT

C. Q = c / mΔT

D. Q = ΔT / mc

Expert Explanatory Rationale

Correct Answer: Q = cΔT

Question 5 of 5

Bernoulli's principle for an incompressible, inviscid fluid in steady flow states that the mechanical energy, consisting of:

A. Pressure (P) only, remains constant along a streamline.

B. Velocity (v) only, remains constant along a streamline.

C. P +½ρv² (total mechanical energy), remains constant along a streamline

D. Density (ρ) only, remains constant along a streamline.

Expert Explanatory Rationale

Correct Answer: P +½ρv² (total mechanical energy), remains constant along a streamline

Ready to Guarantee Your Result?

Start Your HESI A2 Preparation Journey Today

Access over 300,000 verified practice questions, comprehensive subject diagnostic exams, and timed clinical simulations engineered for success.

Browse Other Nursing Exams