Question
What's the kinetic energy of a $7.9 \times 10^{4}$-kg airplane cruising at $850 \mathrm{~km} / \mathrm{h}$ ?
Step 1
We can do this by multiplying the given velocity by $\frac{5}{18}$. \[850 \times \frac{5}{18} = 236.1 \, \text{m/s}\] Show more…
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