Questions by Pawel Kam

Questions by Pawel Kam

A real (non-Carnot) heat engine, operating between heat reservoirs at temperatures of and performs 4.3 kJ of net work and rejects of heat in a single cycle. The thermal efficiency of this heat engine is

asked Mar 2, 2021

1 answer

3 votes

147k views

The sum of the angle measures of a quadrilateral is 360°. write and solve an equation to find the value of x. Use a protractor to check the reasonableness of your answer.

asked Jan 16, 2021

1 answer

2 votes

201k views

jelanie wrote the system of linear equations below to represent the number of student and adult tickets he and his friend sold to their school play 12s+10a=128 16s+21a=232 jelani also wrote the augmented

asked Oct 8, 2020

2 answers

2 votes

161k views

The cable supporting a 1950 kg elevator has a maximum strength of21920 N. What maximum upwardacceleration can it give the elevator without breaking?

asked Apr 3, 2020

1 answer

4 votes

152k views

2,450 divided by 25 steps

asked Oct 11, 2019

2 answers

4 votes

234k views

What is 7.832 rounded to the nearest 10th?

asked Sep 25, 2019

1 answer

3 votes

200k views

Please help!!!!! The author, Virginia Driving Hawk Sneve, uses many details to paint an image of Grandpa. After reading “The Medicine Bag,” think of someone in your family who has a strong role as a leader,

asked Aug 20, 2019

2 answers

2 votes

168k views

A region in which a layer of limestone close to the surface creates deep valley caverens and sinkholes

asked Jan 8, 2019

1 answer

5 votes

45.0k views

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