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OLEGan [10]
3 years ago
7

In 2009 an explosive eruption covered the island of Hunga Ha'apai in black volcanic ash. What type of succession is this?

Engineering
1 answer:
dangina [55]3 years ago
8 0

Answer:

The type of succession is:

Primary succession

Explanation:

This is a type of succession that occurs after a volcanic eruption or earthquake; it involves the breakdown of rocks by lichens to create new, nutrient rich soils.

Primary succession is one of the two types of succession we have. It begins on rock formations, such as volcanoes or mountains, or in a place with no organisms or soil.

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The 1000-lb elevator is hoisted by the pulley system and motor M. The motor exerts a constant force of 500 lb on the cable. The
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<u>Explanation:</u>

Given-

weight of the elevator, m = 1000 lb

Force on the table, F = 500 lb

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According to the equation of motion:

F = ma

3(500) - 1000 = \frac{1000}{32.2} * a

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We know,

v^2 - u^2 = 2a (S - So)\\\\v^2 - (0)^2 = 2 * 16.1 (27-0)\\\\v = 29.48m/s

To calculate the output power:

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Pout = 44220 lb.ft/s

As efficiency is given and output power is known, we can calculate the input power.

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0.65 = 44220 / Pin

Pin = 68030.8 lb.ft/s

Pin = 68030.8 / 500 hp

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Therefore, the power that must be supplied to the motor is 136 hp

5 0
4 years ago
Which type of memory is programmed at the factory? RAM ROM Cache or Virtual memory
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