Answer:
please do well to ask questions in English. This will help people provide you answers ASAP. Thank you
Mirrors reflect light waves.
Answer:
the answer is a time your welcome
The first scientist to show that atoms emit any negative particles was : J.J Thomson
The distance covered is 25.9 m.
<h3>How deep is the cave?</h3>
We know that the speed of sound refers to the speed with which an sound moves in an object.
Given that;
speed of sound = 345m/s
Time taken = 0.15s
We know that;
v = 2d/t
v = speed of sound
d = distance
t = time taken
vt = 2d
d = vt/2
d = 345m/s * 0.15s/2
d = 25.9 m
Learn more about speed of sound:brainly.com/question/15137350
#SPJ1