<span>The function of an electric motor is to change electrical energy
into
kinetic energy.
Even if you want to use the electric motor to give a heavy weight
a lot of potential energy, by lifting it up onto, say, the roof of a house,
you still have to use the motor to MOVE the weight. So you're still
giving it kinetic energy as an intermediate step..
</span>
Answer:
Order of 10^(-35) m.
Explanation:
The string theory is a theoretical concept whereby the very small particles of particle physics are replaced by one dimensional objects which are called strings. This theory is also applicable to black hole physics, nuclear physics, cosmology, etc.
Now, according to string theory, six space-time dimensions cannot be measured except as quantum numbers of internal particle properties because they are curled up in size of the order of 10^(-35) m.
This is because the length of the scale is assumed to be on the order of the Planck length, or 10^(−35) meters which is the scale at which the effects of quantum gravity are usually believed to become very significant.
Answer:
As the trailer leaks sand at a constant rate through a hole in its bottom, its acceleration increases at a steady rate. (Option A)
Explanation:
F = ma
where;
F is the force applied on the truck
m is the mass of the truck
a is the acceleration of the truck
If the driving force on the truck remain constant, then;
m₁a₁ = m₂a₂
a₁ is the initial acceleration
a₂ is the final acceleration
m₁ is the initial mass of the truck and loaded sand,
m₂ is the final mass of the truck and loaded sand, which decreases as the sand leaks at a constant rate.
a₂ = (m₁a₁ )/(m₂)
since m₁ > m₂, a₂ > a₁
Therefore, as the trailer leaks sand at a constant rate through a hole in its bottom, its acceleration increases at a steady rate.
I don’t really understand the question but if you are asking if matter can be found in different states of matter then yes