A 70.kilogram cyclist develops 210 watts of power while pedaling at a constant velocity of 7.0 meters per second east. What average force is exerted eastward o
Physics
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Question
A 70.kilogram cyclist develops 210 watts of
power while pedaling at a constant velocity of
7.0 meters per second east. What average force is
exerted eastward on the bicycle to maintain this
constant speed?
(1) 490 N (3) 3.0 N
(2) 30. N (4) 0 N
power while pedaling at a constant velocity of
7.0 meters per second east. What average force is
exerted eastward on the bicycle to maintain this
constant speed?
(1) 490 N (3) 3.0 N
(2) 30. N (4) 0 N
1 Answer
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1. User Answers Anonym
The Definition of Potence is given by:
[tex]P=Fv[/tex]
Entering the unknowns:
[tex]P=Fv \\ 210=7F \\ F= \frac{210}{7} \\ \boxed {F=30N}[/tex]
Number 2
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