What is the mechanical power exerted on the protein when the retraction speed is 1000 nm/s?

P = 7.5 × 10^-17

Explanation:

Given that the retraction speed = 1000nm/s

The mechanical power P exerted on the protein will be the product of exerted force F and the speed V. That is,

P = FV

Let consider the attached graph to solve the question.

The mechanical power P will be the area under the graph.

At V = 1000nm/s , F = 75 pN

Using the formula below

P = V × F

Substitute V and F into the formula

P = 1000 × 10^-9 × 75 × 10^-12

P = 7.5 × 10^-17 W

Therefore, the mechanical power exerted on the protein when the retraction speed is 1000 nm/s is 7.5 × 10^-17 watt.

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