Math Problem Statement
A boat travelling upsteram at 12km/h with respect to the water of a river. the water is flowing at 8 km/h with respect to the ground. what are the magnitude and direction of the boats velocity with respect to the ground. a child on boat walks toward back of boat at 6km/h what is mag and direction of childs velocity with respect toground?
Solution
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Math Problem Analysis
Mathematical Concepts
Relative Velocity
Vector Addition/Subtraction
Reference Frames
Formulas
V_{boat/ground} = V_{boat/water} - V_{water/ground}
V_{child/ground} = V_{boat/ground} - V_{child/boat}
Theorems
Principle of Relative Velocity
Suitable Grade Level
Grades 9-12
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