10. Analyzing a common mistake. Question: The still water velocity of a rower is 5 m/s. At what angle must this
rower point upstream to be able to land directly across the river? The current is moving at 3 m/s.
a. The most common incorrect answer for this type of question is 31° (from a line perpendicular to the shore).
Show a fully labelled vector diagram that illustrates how this answer was achieved. Circle the mistake and
briefly discuss the incorrect assumption that led to this solution.
Answers: 3
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The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
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Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
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If a rock is thrown upward on the planet mars with a velocity of 10 mys, its height in meters t seconds later is given by y − 10t 2 1.86t 2 . (a) find the average velocity over the given time intervals: (i) [1, 2] (ii) [1, 1.5] (iii) [1, 1.1] (iv) [1, 1.01] (v) [1, 1.001] (b) estimate the instantaneous velocity when t − 1.
Answers: 2
10. Analyzing a common mistake. Question: The still water velocity of a rower is 5 m/s. At what angl...
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