An old streetcar rounds a flat corner of radius $9.1 \mathrm{~m},$ at $16 \mathrm{~km} / \mathrm{h} .$ What angle with the vertical will be made by the loosely hanging hand straps?
Added by Martin P.
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The given speed is \( 16 \, \text{km/h} \). \[ 16 \, \text{km/h} = 16 \times \frac{1000 \, \text{m}}{1 \, \text{km}} \times \frac{1 \, \text{h}}{3600 \, \text{s}} = \frac{16000}{3600} \, \text{m/s} \approx 4.44 \, \text{m/s} \] Show more…
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