A system of satellites, base stations, and receivers is called<span> global positioning system. </span><span>GPS, which stands for </span>Global Positioning
System, is a radio navigation system that allows land,
sea, and airborne users to determine their exact location, velocity, and time
24 hours a day, in all weather conditions, anywhere in the world. I
am hoping that this answer has satisfied your query and it will be able to help
you in your endeavor, and if you would like, feel free to ask another question.
Answer: There are 
protons present in one coulomb of charge.
Explanation:
Given: Charge on proton = 
It is known that the charge on a proton is equal to the charge present on an electron.
Formula used to calculate number of protons is as follows.
Q = ne
where,
Q = charge considered
n = number of protons
e = charge on electron or proton
Substitute the values into above formula as follows.
Thus, we can conclude that there are protons present in one coulomb of charge.
The correct answer is B. Measurable
Explanation:
The use of science to investigate a phenomenon implies using measurements and observations to better understand a phenomenon or test a hypothesis. Moreover, science focuses on natural phenomena that can be objectively studied through measurement instruments such as a thermometer, balance, hydrometer, etc.
In this context, for a phenomenon to be studied by science this needs to be measurable because the use of precise instruments as wells as numbers allow scientist to analyze and understand a phenomenon. Moreover, phenomena that depend on personal perspectives and cannot be measure is considered as non-scientific.
Impulse = Force * times and also Impulse = change in momentum.
Given that the mass does not change, change if momentum = mass * (final velocity - initial velocity)
Given that you know mass and initial velocity (which is the velicity before the cart hits the wall) you need the final velocity (which is the velocity after the cart hits the wall).
Answer: the velocity of the cart after it hits the wall.
Answer:
Si su pregunta es sobre el agua, esto se debe a las repercusiones que suceden, lo que lo hace transparente y un abismo originado originalmente por la interferencia en los niveles de luz.
