1. A ball is dropped from a high rising platform at t = 0 starting from rest. After 6 seconds another ball is thrown downwards from the same platform with a speed v. The two balls meet at t = 18 s What is the value of v? (Take g = 10 m/s2)
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An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. ... Atoms form covalent bonds in order to reach a more stable state.
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