Answer:
Please make image clearer
Explanation:
You are too far back please move closer to the paper
Answer:
27.82998 km/min
Explanation:
To convert m/sec into km/hr, multiply the number by 18 and then divide it by 5.
It is most likely vegetable oil
Explanation : Explain each characteristic of sound waves.
Intensity : the intensity of the sound wave is understand as the power carry by sound wave per unit area in the direction perpendicular to that area.
Loudness : loudness is the quality of the loud and soft of the sound wave.
Frequency : Human normal hear sound frequency between 20 Hz to kHz.
Pitch : Pitch is the quality of low and high of sound wave . pitch relates to the frequency of the slowest vibration in the sound wave for simple sound.