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Author Question: A 100-efficient engine is being used to raise a 89-kg crate vertically upward at a steady rate. If ... (Read 10 times)

gonzo233

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on: Jul 29, 2018
A 100-efficient engine is being used to raise a 89-kg crate vertically upward at a steady rate. If the power output of the engine is 1620 W,
 
  how long does it take the engine to lift the crate a vertical distance of 18.7 m? Friction in the system is negligible.

Question 2

A 22-A current flows into a parallel combination of 4.0-, 6.0-, and 12- resistors. What current flows through the 12- resistor?
 
  A) 18 A
  B) 11 A
  C) 7.3 A
  D) 3.7 A


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Anton

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Reply #1 on: Jul 29, 2018
Answer to Question 1

10 s

Answer to Question 2

D


gonzo233

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Reply 2 on: Jul 29, 2018
Wow, this really help

xthemafja

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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