Jane's brother Andrew leaves home for school at 8:00 am. He walks at 3.6 kph. At 8:20 am Jane discovers that Andrew has left his homework at home. She decides to follow him on her bicycle and give him his homework, but she wants to be back home in time for an online test at 9 am. What is the minimum constant speed at which she needs to ride? (Hint: At what time of day will they meet?) Jane must ride at least kph.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Jane's brother Andrew leaves home for school at 8:00 am. He walks at 3.6 kph. At 8:20 am Jane discovers that Andrew has left his homework at home. She decides to
follow him on her bicycle and give him his homework, but she wants to be back home in time for an online test at 9 am. What is the minimum constant speed at which
she needs to ride? (Hint: At what time of day will they meet?)
Jane must ride at least
kph.
Transcribed Image Text:Jane's brother Andrew leaves home for school at 8:00 am. He walks at 3.6 kph. At 8:20 am Jane discovers that Andrew has left his homework at home. She decides to follow him on her bicycle and give him his homework, but she wants to be back home in time for an online test at 9 am. What is the minimum constant speed at which she needs to ride? (Hint: At what time of day will they meet?) Jane must ride at least kph.
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