<span><span>centic<span>10-2</span></span><span>millim<span>10-3</span></span><span>microu [footnote 2]<span>10-6</span></span><span>nanon<span>10-<span>9
</span></span></span></span>
Answer:
K = 1800 kJ
Explanation:
Given that,
The speed of the object, v = 30 m/s
Mass of the object, m = 4000 kg
We need to find the kinetic energy of the object. The formula for the kinetic energy is given by :

So, the required kinetic energy is equal to 1800 kJ.
Tapping means the maximum use of the energy by the people.
<h3>What is energy?</h3>
The energy is the ability to do work.
The energy that can be tapped is solar energy. There are many ways developed to tap the solar energy and make the best use of it by solar plant, water heating, cooking, etc.
Thus, tapping means the maximum use of the energy by the people.
Learn more about tapping.
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Answer:
Gypsum
Explanation:
Gypsum is a soft sulfate mineral composed of Calcium Sulfate di-hydrate. It is widely used in composition of fertilizer. It is also known as land plaster. On adding gypsum to soil, the quality of soil is improved. It conditions the soil and adds nutrients. The properties of soil is improved. Hence, the correct answer is Gypsum.
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