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svet-max [94.6K]
2 years ago
9

Thermal expansion happens when

Chemistry
2 answers:
Leokris [45]2 years ago
6 0

Answer:

The coefficient of thermal expansion describes how the size of an object changes with a change in temperature. ... In general, substances expand or contract when their temperature changes, with expansion or contraction occurring in all directions.

Nesterboy [21]2 years ago
4 0

Answer:

the size of an object changes with a change in temperature.

Explanation:

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One of the great upcoming sports in the Olympics is the sport of curling. Write a brief essay on the uses of momentum collisions
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The Olympic sport of curling is one that is practically designed to show Physics in motion. Curling is a sport in which two teams alternate sliding smoothed stone pucks down an ice rink court with the intent to seat their stone closest to the center of the target (called the house). Each team has eight stones, meaning that the team that goes second has the (could be) massive advantage of sending the last stone.  
The mass of the stone is important in that the more massive a stone (m) and the speed at which it travels (v) dictates it's momentum (momentum=mxv). As the curling stone slides down the ice (which is relatively frictionless unless acted upon by other players or objects) and having inertia, continues in it's straight course (again, unless acted upon by outside forces). If the stone hits another stone, it transfers some of its momentum in an elastic collision to that stone and the original stone is deflected in a calculable manner.   
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