In the Figure below, the cover gate AB closesa circular opening 80 cm in diameter. The gate
is held closed by a 200-kg mass as shown.
Assume standard gravity at 20 °C. At what
water level (h) will the gate be dislodged?
Neglect the weight of the gate.
Specific weight of water 9790 N/m3​

b. check your rearview mirror

explanation:

yes indeed

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good

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One of the benefits of working with chlorinated polyvinyl chloride (CPVC) pipe is that it can be cut with a variety of different tools that don’t require any electricity or heat. However, different cutting methods are preferred over others, depending on the application.

When cutting CPVC pipe, it is important to make a square, flat cut. An uneven cut limits the bonding area and weakens the fitting.

To help you make the best possible cut, we’ve put together the following dos and don’ts when cutting CPVC pipe in different situations.