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17. Exercises

From Mechanics

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Calculate the kinetic energy of a ball, of mass 150 grams, travelling at <math>\text{m}{{\text{s}}^{-1}}</math>.
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Calculate the kinetic energy of a car, of mass 1200 kg, travelling at 30 <math>\text{m}{{\text{s}}^{-1}}</math>.
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</div>{{#NAVCONTENT:Answer|Answer 5.8|Solution|Solution 5.8}}
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</div>{{#NAVCONTENT:Answer|Answer 17.1|Solution|Solution 17.1}}
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===Exercise 17.2===
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Calculate the kinetic energy of a ball, which has mass 250 grams, and which is travelling at 9 <math>\text{m}{{\text{s}}^{-1}}</math>.
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</div>{{#NAVCONTENT:Answer|Answer 17.2|Solution|Solution 17.2}}

Revision as of 17:33, 15 November 2009

       Theory          Exercises      


Exercise 17.1

Calculate the kinetic energy of a car, of mass 1200 kg, travelling at 30 ms−1.


Answer | Solution


Exercise 17.2

Calculate the kinetic energy of a ball, which has mass 250 grams, and which is travelling at 9 ms−1.


Answer | Solution

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