Question

1. you did 170 j of work lifting a 140 n backpack. how high did you lift it? 2.0m 0.5m 3.0m 1.2m

Explanation:

Step1: Recall the work formula

Work \(W = F\times d\), where \(W\) is work, \(F\) is force, and \(d\) is distance. We need to find \(d\), so \(d=\frac{W}{F}\).

Step2: Substitute the values

Given \(W = 170\ J\) and \(F=140\ N\). Then \(d=\frac{170}{140}\approx1.2\ m\).

Answer:

\(1.2m\)