The sound of a trumpet ECHOES off a nearby mountain. This is which type of wave interaction?

Answers

Answer 1

Answer:

reflection

Explanation:

wave reflection is when a sound bounces off something it cannot go through, like echoing


Related Questions

What element is in group 4 and period 3

Answers

Group 4 is the second group of transition metals in the periodic table. It contains the four elements titanium (Ti), zirconium (Zr), hafnium (Hf), and rutherfordium (Rf). The group is also called the titanium group or titanium family after its lightest member.

What kind of reaction is 2H202 → 2H20 + O2?
O A. Decomposition
O B. Single-replacement
C. Double-replacement
O D. Synthesis

Answers

Answer:

this reaction is so the answer should be A

Gas in a balloon occupies 3.3 liters. What volume will it occupy if the pressure is changed from 100 kPa to 90.0 kPa, if the temperature is held constant?

Answers

Answer:

3.7 L

Explanation:

Initial volume (V₁) = 3.3 L

Initial pressure (P₁) = 100 KPa

Final pressure (P₂) = 90 KPa

Final volume (V₂) =?

The final volume of the gas can be obtained by using the Boyle's law equation as follow:

P₁V₁ = P₂V₂

100 × 3.3 = 90 × V₂

330 = 90 × V₂

Divide both side by 90

V₂ = 330 / 90

V₂ = 3.7 L

Thus, the final volume of the gas is 3.7 L

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