Q3: (a) An instrument is calibrated in an environment at a temperature of 20°C and the following output readings y are obtained for various input values x: y 13.1 26.2 39.3 52.4 65.5 78.6 x 5 10 15 20 25 30 Determine the measurement sensitivity, expressed as the ratio y/x. (b): When the instrument is subsequently used in an environment at a temperature of 50°C, the input/output characteristic changes to the following y 14.7 29.4 44.1 58.8 73.5 88.2 x 5 10 15 20 25 30 1- Determine the new measurement sensitivity. 2- Determine the sensitivity drift due to the change in ambient temperature of 30°C.

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.