Question: A 1500kg elevator, suspended by a single cable with tension 16.0kN, is measuredto be moving upward at 1.6m/s. Air resistance is negligible. What is the

A 1500kg elevator, suspended by a single cable with tension 16.0kN, is measuredto be moving upward at 1.6m/s. Air resistance is negligible.

What is the elevator's kinetic energy after rising 10.0 mm?

Hint:

- The energy principle states that K=KfKi=Wtot. You can findKi from the initial speed.

- How much work does tension do on the elevator as it rises 10.0 mm? Wt= 1.60105 J

- How much work does gravity do on the elevator as it rises 10.0 mm? Wg= 1.47105 J

- What is the elevator's speed after rising 10.0 mm? vf= 4.5 m/s

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