PREVIEW
Chapter 4
Conceputal Review Questions
1. When walking, a person’s speed can stay the same as he or she rounds a corner and changes direction. Using only this information, explain if speed is a scalar or a vector quantity?
2. If your friend (a fellow Physics fan) said 1 + 1 does not always equal 2, would you agree or disagree with them?
3. Is temperature a scalar or temperature measurement?
4. A bird has an airspeed of 15 km/hr. How fast would the bird be moving over the ground if it experienced a headwind of 15 km/hr?
5. Give an example in which velocity is zero yet acceleration is not.
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Chapter 4 Vectors 103