Physics, 27.11.2019 23:31, lucerogon7403
Why is an echo weaker than the original sound? 1. the echo has a shorter wavelength than the original sound due to the reflection. 2. the echo has a smaller amplitude than the original sound because sound spreads and its intensity decreases with distance. 3. the echo has a longer wavelength than the original sound due to the reflection. 4. the echo has a higher frequency than the original sound due to the reflection.
Answers: 1
Other questions on the subject: Physics
Physics, 22.06.2019 04:50, andrewsaul04
The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
Answers: 2
Physics, 22.06.2019 05:30, dxpebetty64
Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n
Answers: 2
Do you know the correct answer?
Why is an echo weaker than the original sound? 1. the echo has a shorter wavelength than the origin...
Questions in other subjects:
Arts, 25.05.2021 18:40
Advanced Placement (AP), 25.05.2021 18:40
Biology, 25.05.2021 18:40
