🏃 Chemistry by Chang – Problem 1.32 | Unit Conversions and Speed | Steemit Science
Hello Steemit learners! 👋⚗️
This exercise from Raymond Chang’s Chemistry (14th Edition), in Chapter 1: Measurement and the Properties of Matter, focuses on unit conversions — a key skill that connects chemistry, physics, and daily life.
Here, we’ll convert the speed of a jogger into different unit systems using dimensional analysis.
🔹 Problem 1.32:
A jogger runs a mile in 8.92 min.
Calculate the speed in:
(a) in/s
(b) m/min
(c) km/h
(1 mi = 1609 m; 1 in = 2.54 cm)
This problem is an excellent example of how unit conversion allows scientists to express measurements in various systems depending on context — from lab experiments to real-world motion.
We’ll use conversion factors systematically to ensure precision and consistency.
📸 Here’s my complete step-by-step calculation for each part:
Do you find it easier to visualize speed in metric or imperial units? Let’s chat about it below! 💬✨
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