Power: The net force that an animal exerts on a large fruit it has found is observed over a 10-s interval and is shown in the graph in the figure. What was the average power delivered to the fruit by the animal over this time interval?
A. 0.00 W
B. 1.3 W
C. 2.5 W
D. 2.2 W
E. 5.0 W
Answer: C
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Two horizontal curves on a bobsled run are banked at the same angle, but one has twice the radius of the other. The safe speed (no friction needed to stay on the run) for the smaller radius curve is V
Therefore, the safe speed on the larger radius curve is A) 0.71 V. B) 0.10 V. C) 1.4 V. D) 0.5 V. E) 2. V.
The evidence favors a universe whose overall geometry is flat. That evidence comes from observations of
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What perception of the Milky Way Galaxy did astronomers have in 1900?
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The electric potential at a point P due to a positive charge is along the direction of that charge
Indicate whether the statement is true or false