题目
题目

FFP001 Threshold Quiz 5 | LA020

简答题

An escalator moves 4 passengers every minute from the first floor of UTS to the second floor. The second floor is located 6.5 meters above the first floor. The average passenger's mass is 59.1kg. Determine the power in Watts needed to move this number of passengers in a minute. g = 9.81m/s2. Only put in the numerical value. Answer to 1 decimal place and do not write the unit in your answer.

题目图片
查看解析

查看解析

标准答案
Please login to view
思路分析
To determine the power required, start by finding the total mass being moved per minute: 4 passengers × 59.1 kg each = 236.4 kg. Next, c......Login to view full explanation

登录即可查看完整答案

我们收录了全球超50000道考试原题与详细解析,现在登录,立即获得答案。

类似问题

How many, if any, factors are necessary to determine power?  1.) Force exerted.  2.) Distance the force moves.  3.)  Time required to do the work.

An escalator moves 2 passengers every minute from the first floor of UTS to the second floor. The second floor is located 6.8 meters above the first floor. The average passenger's mass is 53.4kg. Determine the power in Watts needed to move this number of passengers in a minute. g = 9.81m/s2. Only put in the numerical value. Answer to 1 decimal place and do not write the unit in your answer. This is a short-answer question. Show all working on paper, including the relevant equations and units.

A child pulls on a wagon with a force of 10 N. If the wagon moves a total of 50 m in 5 s, what is the average power generated by the child, in watts?  

A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 42 m in 3 min, what is the average power generated by the child, in watts?  

更多留学生实用工具

加入我们，立即解锁 海量真题 与 独家解析，让复习快人一步！