The ability of a measurement to be reproduced with the same result is a sign of accuracy
2 answers:
Answer:
False
Explanation:
<em>Accuracy vs precision.</em>
In the field of science in general, precision is the ability of an instrument to obtain the same result in different measurements, developed under the same conditions. On the other hand for statistics, engineering, or science in general, accuracy is the ability of an instrument to measure a value close to the actual magnitude.
Take a look at the picture I attached you. From left to right:
1. Low accuracy, Low precision
2. High precision, Low accuracy
3. High accuracy, low precision
4. High accuracy, High precision
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They are expressed as,
Where,
= mass of the skier
= mass of the cat
= initial velocity of skier
= initial velocity of cat
= final velocity of both
Re-arrange to find V_f we have,
Once the final velocity is found it is possible to calculate the change in kinetic energy, so
Therefore the amount of kinetic energy converted in to internal energy is 819J