Answer:

Explanation:
Firstly finding 
So,

Substitute 

Exchange the values of x and y

Solving for y

Adding 5 to both sides

Dividing both sides by 10

Replace 

For x = -4


Space surrounding magnet is called the magnetic field. In this field we can encounter magnetic force. Magnet attraction occurs when poles are unlike and is caused by magnetic force. It means that poles should have opposite values.

Actually Welcome to the Concept of the Wave Optics.
Whenever the waves are out of phase they form a DESTRUCTIVE interference.
thus,
Destructive Interference occurs when two waves are out of phase.
Answer:
Explanation:
An equilibrium is a state in which opposing forces or influences are banned.
An example of equilibrium is in economics when supply and demand are equal. An example of equilibrium is when you are calm and steady. An example of equilibrium is when hot air and cold air are entering the room at the same time so that the overall temperature of the room does not change at all.
deceleration or rėtardation i’m pretty sure (it won’t let me say the second word but it’s correct)