autumn452392

19.03.2021 • 

Physics

College Board Question: (See Pictures) A spring-loaded launcher can be securely attached to a tabletop. When the spring is at its uncompressed length, the plunger is in the position shown above in Figure 1. A small wood block can be pressed against the end of the plunger, compressing the spring a distance L as shown in Figure 2. When the block is released, the plunger pushes the block along the tabletop. Two pins are attached to the edge of the table to prevent the plunger from extending beyond the table. When the plunger hits the pins, the block then leaves the table. There is nonnegligible friction between the block and the tabletop.

Ответ:

Sk8terkaylee

04.05.2020

Physics

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A homogeneous mixture is simply any mixture that is uniform in composition throughout.

A solution is a special type of homogeneous mixture composed of two or more substances. 

A compound is a substance formed when two or more chemical elements are chemically bonded together. 

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