Answer:
2.5
Explanation:
25-22.5n= will give you 2.5
Since they are both examples of moving waves, they both transmit energy.
Answer:
The sound intensity level in the car is 57.2 dB.
Explanation:
Sound intensity level in decibels, β = 10 log (I/I₀); where I = 0.525 × 10⁻⁶ W/m², I₀ = 1.0 × 10⁻¹² W/m²
β (dB) = 10 log ((0.525 × 10⁻⁶)/(1.0 × 10⁻¹²)) = 10 × 5.72 = 57.2 dB
Hope this Helps!!!
Convex mirrors only produce virtual images
Answer:
A
Explanation:
The answer would be A because when feet push down on anything, the force will push down the skateboard
