Explanation:
A double replacement reaction is a reaction in which two different compounds are mixed together and both their cations and anions get exchanged with each other respectively.
When potassium bromide reacts with silver nitrate then it results in the formation of potassium nitrate and silver bromide.
The chemical reaction equation is as follows.

Answer:
When work is being done, the practie of labor is being performed. When work isn't being completed, this is a sign of procrastination.
Explanation:
In the answer.
That's wave 'diffraction'.
Acceleration = (change in speed) / (time for the change)
= (49 m/s) / (5 seconds)
= (49 / 5) m/s / s
= 9.8 m/s²
Action reaction when you push on the ground the ground pushes you back