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A person of mass 40 kg picked up a bag o...

A person of mass 40 kg picked up a bag of mangoes and climbed ten steps . If the bag contains ten mangoes , each of mass `0.5` kg and the height of each step is 10 cm , then find the work done by the person in carrying that till tenth step (Take g = `10 m s^(-2)`).

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The correct Answer is:
450 J
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PEARSON IIT JEE FOUNDATION-WORK AND ENERGY -Short Answer Type Questions
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  2. Give any five examples that show transformation of electrical energy i...

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  3. Aladdin is climbing a tree . Explain how his energy varies ?

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  4. Jasmine is running away from a monster with a speed of 5 m s^(-1) . If...

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  5. Calculate the work done and energy spent in the following two cases . ...

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  6. The work done by a boy in lifting his bag up to a height of 2 m is 200...

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  7. A person of mass 40 kg picked up a bag of mangoes and climbed ten step...

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  8. Can we draw 100% work from the energy spent on an event ? If not , giv...

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  9. A rice bag of 100 kg is lifted up by four workers to a height of 10 m ...

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  10. A man fell into a manhole of depth 1 m . If his mass is 65 kg , then w...

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  11. Find the energy possessed by a bird of 5 kg moving at a constant heigh...

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  12. What is the difference between potential energy and kinetic energy ?

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  13. Explain the types of potential energy with an example .

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  14. Check the sentence true or false:- While climbing a tree Allauddin's h...

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  15. v = 5 m s^(-1) W = mg = 100 N m = 10 kg Kinetic energy ??

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  16. W = 200 J h = 2m W = mgh = m xx 10 xx 2 ??

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  17. if each step is of 1cm then find the total work done to put a box of m...

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  18. Can we draw 100% work from the energy spent on an event ? If not , giv...

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  19. A man fell into a manhole of depth 1 m . If his mass is 65 kg , then w...

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  20. Find the energy possessed by a bird of 5 kg moving at a constant heigh...

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