Answer:
0
Explanation:
It’s before the projectile was fired, so nothing has happened yet.
Answer:
The component of waves must have same frequency and phase.
Explanation:
when the component of waves vibrate at the same rate and attain maximum point at the same time, reinforcement of the waves amplitude occur to cause a constructive interference.However, when the two waves are out of phase where one is at minimum when the other is at maximum a destructive interference happens.
Answer:
So, if the car slips in mud it will either skid or slide depending on the size of the mud puddle.
Does this work?
Answer:
D, positive
Explanation:
If displacement is increasing (positive) and time cant be negative. This means that the velocity is increasing.
Hope this helps.