Recent activity by Pera

Recent activity by Pera

Air enters the compressor of an ideal Brayton refrigeration cycle at 100 kPa, 300 K. The compressor pressure ratio is 3.75, and the temperature at the turbine inlet is 350 K. Determine the (a) net work

asked Dec 11, 2024

1 answer 23.0k views

When the weather gets warm, Michael's mom packs his family's sweaters away in a trunk. She can fit twelve sweaters in a trunk that is three feet long, two feet wide, and one foot tall. What is the volume

asked Dec 10, 2024

1 answer 70.9k views

The decision and practice of refraining from sexual activity: A. abstinence B. AIDS C. ART D. asymptomatic

answered Oct 31, 2024

1 answer 218k views

A prostate tumor is most likely to interfere with? 1) micturition (flow of urine through prostatic urethra) 2) spermatogenesis 3) spermiogenesis 4) erection

answered Oct 31, 2024

2 answers 71.8k views

To prove that Δlmn Δxyz by the SAS similarity theorem, it also needs to be shown that ∠n ≅ ∠z, ∠n ≅ ∠x, ∠l ≅ ∠z, and ∠l ≅ ∠y. Which of the following statements is true? 1) ∠n ≅ ∠z, ∠n ≅ ∠x, ∠l ≅ ∠z, and

asked Sep 11, 2024

1 answer 222k views

Which prefix added to the base unit means times 1000?

answered Aug 29, 2024

1 answer 182k views

Is There any scientific research suport for Orthotropics or Mewing?

answered Jul 22, 2024

2 answers 80.7k views

The pie chart below shows the favorite hobbies of 120 children. The number of children who prefer cycling is 12. Three times as many prefer football than the number who prefer cycling. How many children

answered Jul 10, 2024

2 answers 44.4k views

Pure tones are sounds: A) that are not amplified. B) with a single frequency. C) that have a unique timbre. D) with a pitch between 5000 and 10,000Hz.

asked May 25, 2024

1 answer 4.9k views

Following testing for lipid levels, the results for a 28-year-old male are consistent with the diagnosis of type I hyperlipoproteinemia. Which of the following is the most likely consequence of this condition?

answered May 18, 2024

1 answer 96.2k views

What happens to a buffered solution when a small amount of base is added? O The solution quickly becomes neutral. O The solutions resists changes in pH. O The solution slowly becomes acidic. O The solution

answered May 10, 2024

2 answers 222k views

Immediate response to an air embolism is remembered by using COLT. What is COLT?

answered May 8, 2024

1 answer 233k views

How did Hinduism grow

asked Apr 8, 2024

2 answers 187k views

The shoulder joint is a multi-axial joint that allows for all the following movements except

answered Jan 18, 2024

1 answer 212k views

How does the inheritance of X-linked traits differ from that of other traits?

asked Jan 17, 2024

1 answer 11.3k views

The total amount spent on plasma TV's in the United States changed from $1590 million in 2003 two $5705 million in 2006. Find and interpret the average rate of change in sales, in the millions of dollars

asked Jan 8, 2024

1 answer 171k views

Write 9x10 -4 in a standard notation

answered Dec 24, 2023

1 answer 166k views

A boy weighs 400 N. What is his mass?

asked Oct 22, 2023

2 answers 95.5k views

PCl3 is a compound used to manufacture pesticides. A reaction requires that 95 g of PCl3 be raised from 30°C to 70°C. How much energy will this require given that the specific heat of PCl3 is 0.874 J/g°C.

asked Oct 19, 2023

1 answer 157k views

Why was law enforcement needed in the Northwest Territories?

answered Aug 1, 2023

2 answers 101k views

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