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peachelk346Lv1
11 Dec 2019
A 1000 kg elevator accelerates upward at 1 m/s2 for 10 m, starting from rest.
a. How much work does gravity do on the elevator? J
b. How much work does the tension in the elevator cable do on the elevator? J
c. Use the work-kinetic energy theorem to find the kinetic energy of the elevator as it reaches 10 m. J
d. What is the speed of the elevator as it reaches 10 m? m/s
A 1000 kg elevator accelerates upward at 1 m/s2 for 10 m, starting from rest.
a. How much work does gravity do on the elevator? J
b. How much work does the tension in the elevator cable do on the elevator? J
c. Use the work-kinetic energy theorem to find the kinetic energy of the elevator as it reaches 10 m. J
d. What is the speed of the elevator as it reaches 10 m? m/s
Supratim PalLv10
28 Oct 2020
