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The work done by a boy in lifting his ba...

The work done by a boy in lifting his bag up to a height of 2 m is 200 J . Find the mass of his bag
(Take g = 10 ` m s^(-2)`).

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The correct Answer is:
10 Kg
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PEARSON IIT JEE FOUNDATION-WORK AND ENERGY -Short Answer Type Questions
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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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  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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