Question

if potential energy of a satellite is - 2MJ,then find binding energy

Answer 1

Binding energy = -0.5 × Potential energy
= -0.5 × (-2 MJ)
= 1 MJ

Binding energy is 1 MJ

Answer 2

The binding energy of the satellite is 1MJ.

Explanation:

We are given a certain potential energy that the satellite possesses and we need to find out the binding energy.

Now we know that binding energy is negative of mechanical energy and we also know that potential energy is half of mechanical energy which gives us the value for binding energy as  

B.E = $- \frac{1}{2} (PE)$

⇒ B.E = $-0.5 \times -2MJ$

= 1 MJ.

Negatives are get cancelled and become positive. Hence, the value of binding energy is 1MJ.

To know more:

Explain why binding energy for heavy nuclei is low

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