Question

(65×131)-(65×31)=65×100 true or false
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Answer 1

Answer:

When a body falls from a height and strikes the ground, it may come to rest or rebound. If it comes to rest, the whole of its energy is converted into heat and sound energy. These energies are diffused into the surrounding space. They cannot be further utilised for

doing any useful work. Thus, the energy is transformed from a useful form to a useless form.

Answer 2

( 65 × 131 ) - ( 65 × 31 ) = 65 × 100

8515 - 65 × 31 = 65 × 100

8515 - 2015 = 65 × 100

6500 = 65 × 100

6500 = 6500

true

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