A black hole is a cosmological object that is created when a massive star comes to the end of its life and collapses under its own gravity. Black holes have massive gravitational fields that even light cannot escape beyond a certain distance. Before being engulfed, matter that is pulled into a black hole should become very hot and emit electromagnetic radiation.
Answer:
The hypothesis may or may not be true and needs to be tested. It might be the answer to the problem. Hence, it must be tested thoroughly. When these predictions are tested again and again in independent scientific experiments and gets verified, the hypothesis is converted into a scientific theory.
Acceleration = vf-vi /t
10-22/3=2.6m/s^2
<h3>Iron - Fe</h3>
<h3>Hydrochloric Acid- HCl</h3>
<h2><u>Solution</u></h2>
Iron + Hydrochloric Acid 
Ferrous Chloride + Hydrogen
<h2>
Hope This Helps You ❤️</h2>
Answer:
2,4 second
Explanation:
Change the momentum = F.t
12 = 50 .t
12/50 = t
2,4
