Answer:
when switch is off no electricity will flow and then the circuit is called an open circuit
Explanation:
Electricity will not flow in open circuit
No they are not the same material because having the same density doesnt mean its the same material also they can have a different density and be the same material
Answer:
I would agree with the statement. it's not just the body, but everything that we see is almost 99.9999% empty space
Define unit vectors as follows:

is in the eastern direction.

is in the northern direction.
The position of the first bird is

The position of the second bird is

Let θ = the angle between the net displacement vector for the two birds.
By definition,



Similarly,
|b| = 4.025
Therefore

Answer: 36.9°