Question: When solving for speed in Example 7.4, we kept only the positive root. Why? Data given in Example 7.4 The person in Figure 7.30 does

When solving for speed in Example 7.4, we kept only the positive root. Why?

Data given in Example 7.4

The person in Figure 7.30 does work on the lawn mower. Under what conditions would the mower gain energy? Under what conditions would it lose energy?TI! F cos 0 0 F W = Fd cos 0 d Fcos

TI! F cos 0 0 F W = Fd cos 0 d Fcos

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