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# Tutor profile: Nishant S.

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Nishant S.
Online tutor for over 3 years with around 200 positive reviews
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## Questions

### Subject:Chemistry

TutorMe
Question:

Name one monosaccharide, disaccharide and polysaccharide carbohydrate.

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Nishant S.

Monosaccharide - Glucose Disaccharide - Maltose Polysaccharide - Starch

### Subject:Calculus

TutorMe
Question:

Differentiate |x| at x=0

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Nishant S.

When we plot |x|, we will see a 'V' type of curve with a sudden change in curve at x=0. Thus function is not differentiable at x=0

### Subject:Physics

TutorMe
Question:

Alex is carrying a 30kg bag on his head. He walks a total distance of 10m in forward direction with the bag on his head. Find the work done by Alex.

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Nishant S.

Work done is dot product of force and displacement. In this case, force is against gravity, in upward direction and displacement is forward hence there is 90-degree angle between F and d. Thus work done = F*d*cos(90) = 0

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