F=ma=kg*m/s^2=N
Work=W=Force*d=N*m
P=W/time=N*m/s=kg*m^2/s^3=kg*m^2*s^-3=Watt
So 1 Watt of Power is equivalent to (kg*m^2)/s^3 or kg*m^2*s^-3
Any questions please feel free to ask. Thank you
Answer:
The object's mass remains same in every place but its weight will change due to different gravity in both Earth and moon.
Answer:
The intensity level of the sound wave due to the ambulance is 153.5 dB.
Explanation:
The intensity level of the sound wave due to the ambulance can be calculated using the following equation:
![\beta = 10log(\frac{I}{I_{0}})](https://tex.z-dn.net/?f=%20%5Cbeta%20%3D%2010log%28%5Cfrac%7BI%7D%7BI_%7B0%7D%7D%29%20)
<u>Where</u>:
I: is the intensity of the sound wave from a siren = 111.2 W/m²
I₀: is the reference intensity = 1.0x10⁻¹² W/m²
Now, since the second sound wave from a nearby ambulance has an intensity level 13 dB we have:
![I_{a} = 13 dB + 140.5 dB = 153.5 dB](https://tex.z-dn.net/?f=%20I_%7Ba%7D%20%3D%2013%20dB%20%2B%20140.5%20dB%20%3D%20153.5%20dB%20)
Therefore, the intensity level of the sound wave due to the ambulance is 153.5 dB.
I hope it helps you!