Hydrogen and oxygen are being formed if an <span>electric current is passed through water and bubbles start forming.
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Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
This is mathematically represented as
<u>F= (G X m1 x m2) /r∧2</u>
where F is the force acting between the charged particles
r is the distance between the two charges measured in m
G is the gravitational constant which has a value of <em>6.674×10^-11 Nm^2 kg^-2</em>
m1 and m2 are the masses of the objects measured in Kg
Now if the distance between the is doubled then r becomes 2r. Substituting this in the above formula we get the new Force as
Force (new) = (G X m1 x m2) /(2r)∧2
Thus dividing Force(new)/Force we get
Force(new)/Force = 1/4.
Thus the gravitational force becomes 1/4th of the original value if the distance between the two masses are doubled.
It is absolutely true that when the velocity of an object
changes, the momentum of the object also change. Momentum of any object is
defined as the multiple of velocity of an object and the mass of the object. So
we can easily deduce that momentum is directly proportional to velocity of an object
if the mass of the object remains constant. So it can be seen that if the mass
of the object does not change then any change in velocity is bound to have an
effect on the momentum of the object. We can easily write the equation as
momentum= mass x velocity.
Answer:
Isothermal Process
Explanation:
In this process heat is released or absorbed by the system happens at very slow rate in order to continually maintain the temperature of the system through heat exchange. so ΔT = 0 ⇒ ΔU =0
First law of Thermodynamics ΔQ = ΔU + ΔW
⇒ ΔQ = ΔW
e.g Carnot Cycle