Answer:
c. Cooking waste oil is not considered as a biofuel.
Explanation:
cooking waste oil known as waste vegetable oil is used in the production of biodiesel which is biofuel.the oils undergo trans-esterification process where the reaction produces biodiesel instead of the saphonification
I can interpret this as it's somewhat of all of those, due to the fact that for one thing think of the earth it's a spinning ball of liquid iron, nickel due to one law stating hot liquid metal spinning around creates magnetic fields, ferro magnetic metals are ones such as magnetite which is a natural magnet, it can be found in nature theres a region in the gobi desert that will make a compass needle dance since its surrounded by magnetic rock, ferro magnetic atoms like iron, nickel are great at being and creating magnetic fields due to their ability to change from non magnetic to magnetic quickly and with different ways from inducing as in electromagnetic coils forcing atoms spinning differently to spin the same direction or changing the north south alignment. you can take a iron pipe and hit it with a hammer and after enough wacks the atomic structure will be disrupted and all the atoms line up in tightly compacted lines like grains in wood creating a stronger magnetic pull than if it was just a iron pipe. I hope that helps I like metaphors for understanding those kinds of concepts I hope that's helped.
Answer:
The <em>net gravitational force it exerts</em> is 
Explanation:
Newton's Law of Gravitation can be written as
where <em>G is the Gravitational Constant, m1 and m2 are the masses of two objects, and r is the distance between them</em>. In this case, the spheres are loacted in straight line, so instead of a vector r, we have a distance x in meters. The distances and masses are given in the problem, and the smaller sphere is between the other two spheres. This means <u>the sphere 1 is in the middle, the sphere 2 is on the left of 1, and the sphere 3 is on the right of 1</u>, so
is the force that 2 feels because of 1, and
is the force that 3 feels because of 1.
<em>If we replace the data in those previous equations</em>, we have that
Finally, adding both results, the net force the sphere 1 exerts is
Answer:
Gravitational potential energy
Explanation:
Hydroelectric dams are the power plants which generates electricity by using the energy of falling water from a great height.
A the water is stored in big reservoirs and at a great height, it contain lot of potential energy due to the height. As it falls downwards, the potential energy is converted into kinetic energy of the water. this kinetic energy of the falling water is used to run the turbine, and then the electric energy is generated.
So, in hydroelectric power stations, the potential energy of water is converted into the electric energy.
Solids have a definite shape and volume. Liquids have a definite volume, but take the shape of the container. Gases have no definite shape or volume.
Solids have a fixed shape and a fixed size. The particles are very close together and held in place by strong forces (bonds). Their particles cannot move around, but they do vibrate. Because the particles cannot move around, a solid has a fixed shape.
Solids can be hard like a rock, soft like fur, a big rock like an asteroid, or small rocks like grains of sand. The key is that solids hold their shape and they don't flow like a liquid.
Hope It Helps!
