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I went for a walk one day. I walked north 6.0 km at 6.0 km/h and then west 10 km at 5.0 km/hr. (This problem is deceptively easy, so be careful. Begin each part by reviewing the appropriate physical definition.) Determine… the total distance of the entire trip; the total displacement of the entire trip; the average speed of the entire trip
Define distance and displacement, and distinguish between the two; Solve problems involving distance and displacement
Lesson 1: How far do we really go at the end of the day? Exploring the difference between distance and displacement.
1. Define “distance” 2. Define “displacement”. 3. Draw a diagram to show the difference between distance and displacement. 4. Which quantity is a vector quantity: distance or displacement? 5. When people say “As the crow flies” are they referring to distance or displacement? 6.
Links to Chemistry: Displacement and 1- and 2-dimensional motion may be used in showing conceptual representations of atoms and molecules during reactions. When studying the motion of electrons around the nucleus, velocity and acceleration can be discussed to show how the electron changes speed when it encounters another electron or proton.
Unit 1: Kinematics in 1D 1 – Vector and Scalar, Distance and Position There are two types of measurement: with _____ or without. Scalars: Magnitude only Vectors: Magnitude and direction • Kinematics: The study of an object’s _____. Position, Distance and Displacement Worksheet 1a – Distance and displacement 1.
1. A car travels a distance of 540km in 6 hours. Calculate the speed of the car. 2. John is a runner. He runs the 100m sprint in 20.0 s. Calculate the John’s speed. 3. Lauren walks 400 m in 125 s . Calculate Lauren’s average speed. 4. A mouse runs a distance of 2.0 metres in 16 seconds. Calculate the speed of the mouse. 5.
