Question

Match the following:
1.Pressure.-.Newton x Metre
2.Trust per unit area.-.Longtitudinal waves
3.Joule.-.Ultrasonics
4.Air.-.Pressure
5.SONAR.-.Nm-2

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Answer 1

Answer:

pressure is the answer I think that

Answer 2

Answer:

1. Pressure :- N/m² (Nm^-2)
2. Trust per unit area :- Pressure
3. Joule :- Newton × Metre (Nm)
4. Air :- Longitudinal waves
5. SONAR :- Ultrasonics

hope it helps.