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