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Question

# How much work is done when a $75.0-\mathrm{kg}$ person climbs a flight of stairs $10.0 \mathrm{~m}$ high at constant speed? a) $7.36 \cdot 10^5 \mathrm{~J}$, b) $750 \mathrm{~J}$, c) $75 \mathrm{~J}$, d) $7500 \mathrm{~J}$, e) $7360 \mathrm{~J}$.

Solution

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Given the following information

\begin{aligned} m&=75.0\ \text{kg}\\ h&=10.0\ \text{m} \end{aligned}

we are to calculate the work done when the person in question climbs a flight of stairs, which can be done by applying the formula

$W=F\Delta x$

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