Give an example of an energy conversion that produces an unwanted form of energy.

1 answer:

5 0

An example of an energy conversion that produces an unwanted form of energy is mixing acids with water. For example adding concentrated sulfuric acid with water that generates too much heat and must be controlled in systems that use this step of addition.

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If a rock were dropped from a building it would hit the ground with a certain kinetic energy and velocity. If it fell from a roo

STALIN [3.7K]

Answer:

Explanation:

because if you test it they hit the ground at the same time.

5 0

4 years ago

The force an ideal spring exerts on an object is given by Fx = -kx, where x measures the displacement of the object from its equ

shusha [124]

Answer:

The work done by this force can be found via the following formula

$W = \int{F(x)} \, dx = \int\limits^0_{-20} {(-kx)} \, dx = \frac{-kx^2}{2}\left \{ {{x=0} \atop {x=-20}} \right. = \frac{-60*(-20)^2}{2} \\W = -12000J$

Explanation:

Alternatively, the work done by the object is equal to the elastic potantial energy done by the spring.

$U = \frac{1}{2}kx_2^2 - \frac{1}{2}kx_1^2 =0 - \frac{1}{2}60(-20)^2 = -12000J$

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3 years ago

What is the minimum uncertainty in the vertical component of the momentum of each photon in the beam after the photon has passed

RoseWind [281]

<h3><u>Minimum uncertainty in the vertical component of the momentum of each photon:</u></h3>

According to Heisenberg's Uncertainty principle, both the “position and velocity of the particle” cannot be measured exactly at the same time. The momentum of the particle equals the product of its mass and velocity. And it can be inferred that the “product of the uncertainties” in the “momentum and the position” of a particle equals $\frac{h}{4 \pi}$ .

Immediately after the photon has passed through the slit, given particle has a momentum uncertainty of $\Delta P_{x}$ and its position uncertainty is $\Delta x$ , then the minimum uncertainty in its momentum will be