The less dense areas created as a sound wave propagates are called Rarefactions
Answer:
both
Explanation:
You'll use less water....less hot water so water and energy are saved
Answer:
Part a)

Part b)

Explanation:
Part a)
As we know that both charge particles will exert equal and opposite force on each other
so here the force on both the charges will be equal in magnitude
so we will have

here we have

now we have

Part b)
Now for the force between two charges we can say

now we have

now we have

Answer:
520 n is the final momentum of the car and is also the final speed of the car
Explanation: