What does the Kinetic Theory Model state?

Physics

1 answer:

amid [387]3 years ago

8 0

Answer:

B. particles in solid objects do not move

Explanation:

The kinetic theory model states that matter is made up of particles that are constantly moving but the movement of particles depends on whether the substance exists in the solid, liquid, or gaseous state.

So, according to the Kinetic Theory Model state, particles in solid objects do not move as all the particles in solids are closely packed.

Hence, the correct option is "B”.

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The product of voltage times amperage is known as what?

Usimov [2.4K]

Answer:

Power=V*I which corresponds to the second option shown: "voltage times amperage"

Explanation:

The electric power is the work done to move a charge Q across a given difference of potential V per unit of time.

Since such electrical work is the product of the potential difference V times the charge that moves through that potential, and this work is to be calculated by the unit of time, we need to divide the product by time (t) which leads to the following final simple equation

$Power=\frac{V\,Q}{t} =V\,\frac{Q}{t} = V\, I$

5 0

3 years ago

A soccer ball is kicked from the top of one building with a height of H1 = 30.2 m to another building with a height of H2 = 12.0

viktelen [127]

Hi there!

Initially, we have gravitational potential energy and kinetic energy. If we set the zero-line at H2 (12.0m), then the ball at the second building only has kinetic energy.

We also know there was work done on the ball by air resistance that decreased the ball's total energy.

Let's do a summation using the equations:
$KE = \frac{1}{2}mv^2 \\\\PE = mgh$