Life stress is bad on the fold
If you stand up in a big room and echo, your voice will echo
from the walls. As long as the room is empty. Since
the speed of sound is constant, depending on air density, the more humid the
air the faster and farther sound travels. The
speed of sound is constant, you could measure the time it takes for your voice
to echo off the walls. The same thing happens with Doppler radar, but it’s not voice,
it has higher frequency signals.<span> </span>
Answer:
C
Explanation:
Horizontal is constant... if it was on x axis it would be a speed of 0
Please give brainliest answer
Answer:
a
Explanation:
you will find out that an object that has more weight requires more energy to move than the one with less weight
