A 5 kg ball is dropped from a height of 12.8 m above one end of uniform bar that pivots at its center. The bar has mass 7.5 kg and is 4 m in length. At the other ned of the bar sits another 5 kg ball, unattached to the bar. The dropped ball sticks to the bar after the collision. How height will the other ball go after the collision ?

a) are muscles that have bands.

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as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.