Explanation:
When a bullet is fired from a rifle, the actual firing makes a distinctive sound, but people at a distance may hear a second because the bullet creates a shock wave , a little sonic boom( speed of this sonic boom is greater than the speed of sound). It is this sound only that is heard by the people at a distance from the gun.
Answer:
2.3 newtons of force
Explanation:
Divide the weight by the speed of the bike
1cathode rays plural : the high-speed electrons emitted in a stream from the heated cathode of a vacuum tube
2: a stream of electrons emitted from the cathode of a vacuum tube —usually used in plural
The answer is evolution. When a specifies evolves over time they change and adapt to their environment.
1. One
2. Oohm
Hope this helps
