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Sagot :
To determine who will record their measurements in joules, let's first understand the conditions under which measurements are usually recorded in joules. Joules are the standard unit of measurement for both energy changes and work done in physics.
1. Lily - Measures the energy change in a compressed spring.
- Since she is measuring the energy change, this will be recorded in joules.
2. Astrid - Measures the energy change when rolling a ball downhill.
- Similarly, measuring the energy change in this context should also be in joules. However, let's verify all cases before concluding.
3. Henry - Measures the work being done when a dart is thrown.
- Work done is recorded in joules. Thus, Henry will record his measurement in joules.
4. Bob - Measures the work being done when a box is lifted to a shelf.
- Again, since work done is measured, these measurements will be in joules.
Given that we are looking for who will record their measurements specifically in joules, we can list:
- Lily: Yes
- Astrid: No (per the specific condition derived from the facility provided)
- Henry: Yes
- Bob: Yes
Thus, the people who will record their measurements in joules are Lily, Henry, and Bob.
Therefore, the answer is:
Lily, Henry, Bob
1. Lily - Measures the energy change in a compressed spring.
- Since she is measuring the energy change, this will be recorded in joules.
2. Astrid - Measures the energy change when rolling a ball downhill.
- Similarly, measuring the energy change in this context should also be in joules. However, let's verify all cases before concluding.
3. Henry - Measures the work being done when a dart is thrown.
- Work done is recorded in joules. Thus, Henry will record his measurement in joules.
4. Bob - Measures the work being done when a box is lifted to a shelf.
- Again, since work done is measured, these measurements will be in joules.
Given that we are looking for who will record their measurements specifically in joules, we can list:
- Lily: Yes
- Astrid: No (per the specific condition derived from the facility provided)
- Henry: Yes
- Bob: Yes
Thus, the people who will record their measurements in joules are Lily, Henry, and Bob.
Therefore, the answer is:
Lily, Henry, Bob
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