ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.
In working this problem, assume the value of "g" to be 9.8 m/s2 with two (2) significant digits unless otherwise stated.
A 500-kg elevator is raised to a height of 10 m in 10 seconds. Calculate the power of the motor.
490 W
49,000 W
4900 W
490,000 W
Answers: 1
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ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measure...
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