Answer:
810.37 m/s
Explanation:
s = Displacement = 5 m
= Speed of sound in air = 343 m/s
Time taken to travel the distance

Time for the sound in metal

Speed of sound is given by

The speed of sound in the metal is 810.37 m/s
Answer:
It transformed into ash particles and a slight gaseous state
Explanation:
4 times as much distance to stop
Answer:
B and C
Explanation:
Because EMWs are varying magnetic and electric radiation traveling at 90° to each other propagating energy form one place to another through vibration of these magnetic and electric fields