O Macmillan Learning Mikaela is out for a bike ride on a breezy day. The wind blows out of the west such that it exerts a constant drag force Fdrag of 105 N pointing east. Initially riding north on flat roads, Mikaela traverses a 1.60 km long circular arc at a constant speed that ends with her heading directly into the wind; the arc is a quarter circle that starts pointing north and ends pointing west, as shown in the figure. How much work W does the wind do on her as she rounds this curve from point A to point B? W = F₁ drag B A N A WE Y S

O Macmillan Learning Mikaela is out for a bike ride on a breezy day. The wind blows out of the west such that it exerts a constant drag force Fdrag of 105 N pointing east. Initially riding north on flat roads, Mikaela traverses a 1.60 km long circular arc at a constant speed that ends with her heading directly into the wind; the arc is a quarter circle that starts pointing north and ends pointing west, as shown in the figure. How much work W does the wind do on her as she rounds this curve from point A to point B? W = F₁ drag B A N A WE Y S

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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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

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O Macmillan Learning
Mikaela is out for a bike ride on a breezy day. The wind
blows out of the west such that it exerts a constant drag force
Fdrag of 105 N pointing east. Initially riding north on flat
roads, Mikaela traverses a 1.60 km long circular arc at a
constant speed that ends with her heading directly into the
wind; the arc is a quarter circle that starts pointing north and
ends pointing west, as shown in the figure.
How much work W does the wind do on her as she rounds
this curve from point A to point B?
W =
J
F₁
drag
B
A
N
A
WE
Y
S

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