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Acceleration can be found by computing the slope of a vs. time graph.?

velocitymy answer isIt may be both speed/velocity.We can find acceleration from speed vs time graph when the path followed by the body is a perfect straight line and when the speed of body goes on incresing and in all othercases velocity time graph is used to measure aceleration.


How does temperature affect the particles in solid?

Temperature IS the average speed of movement of the particles molecules that make up an object. The more heat you add to an object, the faster the molecules move vibrate. There are devices thermometers that indirectly measure this speed, and thus report the temperature.


How are the elements aranged in a periodic table?

They are arranged in ascending order by proton number. There are eight vertical groups. Elements in each group share similar properties and have the same number of valence electrons. Group I elements have one valence electron, and Group V elements have five valence electrons. Group 0 (the eighth group) elements have either two or eight valence electrons. The elements are also arranged horizontally in Periods. Hydrogen and helium are in Period 1; lithium, neon and the elements between them are in Period 2; and sodium, argon and the elements between them are in Period 3. So on. The Period an element is in indicates the number of electron shells the atom has. Hydrogen has one shell, sodium has three. Metals are found on the left side of the periodic table. Non-metals are found on the right side. Elements between Group II and Group III are called transition metals. For example, iron, gold, copper, nickel and silver are all transition metals. Some elements found between metals and non-metals are metalloids, which have properties similar to both metals and non-metals.