Answer:
4
Explanation:
= Threshold intensity for woman
I = Intensity of sound for man
= Intensity level of sound = 6 dB
Intensity level of sound is given by

The ratio is 4
Answer:
The magnitude of force is 
Solution:
As per the question:
The strength of Electric field due west at a certain point, 
Charge, Q = - 6 C
Now, the force acting on the charge Q in the electric field is given by:


Here, the negative sign indicates that the force acting is opposite in direction.
Answer:
false
Explanation:
some can be harmful but not all
Making prediction , hypothesis and guessing to see if it’s right , and leading
Answer:
No
Explanation:
I don't think the universe has a starting and ending point because the universe is vast and has not been fully discovered. I think that the universe is endless because all of the stars, planets, and galaxy's have yet to be found and the end or start of the universe is also yet to be discovered so I think that the universe could go on forever.