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<div class="contentLayout2"> <div class="columnLayout single" data-layout="single"> <div class="cell normal" data-type="normal"> <div class="innerCell"> <p><span>A medium-sized apple contains about 95 Cal (note that 1 Cal = 1 kcal ≈ 4184 J). Assuming 60% efficiency in conversion of an apple to available energy, how far can a person weighing 70kg walk using all of the apple’s energy while maintaining a comfortable pace with Froude number = 0.25? Assume a leg length of 0.9 m.</span></p><p><br /></p></div> </div> </div> <div class="columnLayout single" data-layout="single"> <div class="cell normal" data-type="normal"> <div class="innerCell"> <h3>Solution (you should only be able to see this if you are an instructor with permissions, if you don't have permission, request access)</h3><p><br /></p><p><img class="editor-inline-macro" src="/plugins/servlet/confluence/placeholder/macro?definition=e2luY2x1ZGU6UzIuMyBFbmVyZ3kgZXhwZW5kaXR1cmUgaW4gd2Fsa2luZ30&amp;locale=en_GB&amp;version=2" data-macro-name="include" data-macro-id="0cd918d5-3bf2-4727-a01a-9e972cd43a6e" data-macro-default-parameter="S2.3 Energy expenditure in walking" data-macro-schema-version="1"></p></div> </div> </div> </div>'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'
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