Work is equal to the force applied to an object multiplied by the distance it had travelled. This is work as long as the force and the direction of the distance in going in the same direction.
It is work because you're applying a force on an object to move it.
For example, work is done when you push a box across the floor, but work is not done when you lift the box up and then walk it across the room. This is because the force on the box is upwards since you're lifting it and the direction of the distance is left or right so the directions are not the same.
<span>Radioactivity is the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei. Particles are emitted from the nuclei as a result of nuclear instability.
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The radioactivity of an atom is dependent on the difference in binding energy .</span>
(comparing the before and after states, the binding energy of the <span>product nucleus and the binding energy of the initial decaying nucleus)</span>
A and B i think is the answer
I think wind is anther answer
It is same as calculating maths for math