please help with physics??

Posted on 2015-11-13 06:42:00 in Physics by WILL

1. A 146.5 W electric motor lifts a 27.2 kg mass at constant velocity. The vertical distance through which the motor can raise the mass in 17.5 s is most nearly ___m.

2. A person whose mass is 68.1 kg starts from rest and then accelerates uniformly to their running speed of 4.83 m/s. If the person accomplishes this acceleration over a time period of 2.70 seconds, the power developed by the person during the acceleration was_____ W

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