Potential energy or stored energy, and kinetic energy, the energy due to motion can be balanced in the process of converting kinetic energy to potential energy during an uphill motion
The correct option for, which situation shows potential energy and kinetic energy are balanced is option;
A roller coaster car going uphill
The reason the selected option is correct is as follows:
Potential energy is the energy that is due to the relative position of an item in relation to a ground or zero state. The formula for potential energy due to the elevation is given as follows;
Potential energy, P.E. = m·g·h
Kinetic energy is the energy that is due to motion. The kinetic energy of an item is given as follows;
Kinetic energy, K.E. = (1/2) × m × v²
The potential and kinetic energy of a body is balanced when we have;
P.E. = m·g·h = K.E. = (1/2)·m·v²
Which gives;
g·h = (1/2)·v²
Therefore, a point is reached as the an body moves up a heal, where the potential energy (the energy due to height of the object) and the kinetic energy (the energy due to current speed) of the object are equal
The correct situation which shows potential energy and kinetic energy are balanced is therefore; A roller coaster car going uphill
Learn more about potential and kinetic energy here:
Answer:
Anions
Explanation:
Anions : Anions are defined as the atoms or the radicals. Atoms that have become negatively charged by gaining extra electrons are anions. For example, bromide ion (Br⁻), chloride ion (Cl⁻).
Anodes : The positively charged electrode by which an electron leave a device is called an anode.
Cations : They are the positively charged particle. For example silver ion (Ag⁺).
Cathodes : The negatively charged electrode by which an electron enter an device is called an cathodes.
Hence, the correct option is (a) " anions ".
B.) The transmutation of a lighter element
C.) The transmutation of uranium
The transuranium synthesis process involves creating a transuranium element through the transmutation of a lighter element. The answer is letter B. Transuranium elements are the elements with atomic numbers greater than 92. All of these elements are unstable and decay radioactively into other elements.
B. 1.2 m/s
C. 21.3 m/s
D. 12.8 m/s
The impact speed of the backpack is approximately 12.8 m/s.
To calculate the impact speed of the backpack, we can use the principle of conservation of energy. The potential energy of the backpack at the top of the window is converted into kinetic energy at the bottom. Assuming no air resistance, we can equate the potential energy to the kinetic energy:
mgh = 1/2mv^2
Here, m is the mass of the backpack, g is the acceleration due to gravity (9.8 m/s^2), and h is the height of the window (8.3 m). By rearranging the equation and solving for v, we can find the impact speed of the backpack.
Using the given values:
v = sqrt(2gh) = sqrt(2 * 9.8 * 8.3) ≈ 12.8 m/s
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B) Northern lights are seen at low latitude places like Michigan.
C) The solar wind moves away from Earth towards other planets.
D) The magnetic north and south poles of Earth are interchanged.
Answer: D) The magnetic north and south poles of Earth are interchanged."
Explanation: