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A refrigerator has a coefficient of performance of 3.0. (a) If it requires 200 J of work per cycle, how much heat per cycle does it remove from the cold reservoir? a) 150 J b) 66.7 J c) 100 J d) 75 J
answered
Dec 27, 2024
Physics
high-school
1
answer
116k
views
The temperature at noon was : -− 3 ∘C. By 10 pm on the same day the temperature decreased by 5.4∘. What was the temperature at 10 pm? A) -8.4°C B) -7.6°C C) -10.4°C D) -1.6°C
asked
Nov 23, 2024
Physics
high-school
1
answer
143k
views
Which of the following is an example of a reflex? Question 24 options: a) salmon swimming upstream to lay eggs b) becoming bored during a movie c) a newborn baby knowing how to nurse d) becoming defensive
answered
Nov 7, 2024
Health
high-school
1
answer
114k
views
Which statement is a primary and historical barrier to effective nurse-physician collaboration that has persisted over time? A) The view among the general population that that nurses' contributions to
answered
Oct 15, 2024
Health
high-school
1
answer
132k
views
Where do you place the parenthesis in the expression 4+9x5-2 so that the value of the expression is 31?
answered
Oct 7, 2024
Mathematics
college
2
answers
110k
views
Example of learning by association and linking two sequential events
answered
Sep 25, 2024
Advanced Placement (AP)
high-school
1
answer
154k
views
Plate tectonics theory took decades to be accepted because: A. climate, fossil distributions, and land shape offered conflicting evidence. B. of pure stubbornness by the scientific community. C. Wegener
answered
Sep 1, 2024
Geography
high-school
1
answer
66.3k
views
Perpetual inventory records not only help control theft of inventories, they also generally result in improved production planning. A. True B. False
answered
Jul 8, 2024
Business
high-school
1
answer
176k
views
"The Lamb" is sometimes categorized as a children's poem or a nursery rhyme. In what ways does the poem fit the conventions of this genre, and in what ways does it challenge them?
answered
Jun 29, 2024
English
high-school
1
answer
204k
views
The best approach for a security guard to take when dealing with a large crowd of people is to: A) assume that all large crowds are violent and call the police immediately B) take charge of the situation
asked
Apr 13, 2024
Social Studies
high-school
1
answer
224k
views
The first step in most penetration testing engagements is determining what should be tested. determines what penetration testers will do and how their time will be spent. Thus, this is a major impact on
answered
Feb 12, 2024
Social Studies
high-school
1
answer
217k
views
Which answer choice most accurately describes Mayella's life at home?
asked
Jan 6, 2024
English
high-school
1
answer
134k
views
The agency that develops and manages tourism policy for the United States is the DOT FHWA NTTO UNWTO
answered
Dec 25, 2023
Business
high-school
1
answer
155k
views
6) If I were to drop a ball out of my car while I was traveling at a velocity of 25 m/s, and it underwent a deceleration of 2.0 m/s/s while rolling to a stop, how long would it take for it to stop?
asked
Sep 1, 2023
Physics
high-school
2
answers
186k
views
In "The Adventure of the Blue Carbuncle," when James Ryder tells Sherlock Holmes his real name, Holmes mentions that Ryder is the head attendant at the Metropolitan Hotel. What is one implication of Holmes
answered
Jul 22, 2023
English
middle-school
2
answers
29.0k
views
The value found for the universal gravitational constant, G, will vary depending on the materials used for the balls of a Cavendish balance. Is this true or false
answered
May 14, 2023
Physics
college
1
answer
57.5k
views
Which cell components does genetic screening check? (Select all that apply.) genes proteins cytoplasm cell membranes
asked
Apr 17, 2023
Biology
high-school
1
answer
202k
views
An insulated lunch bag keeps food warm by increasing the thermal energy of the lunch bag. increasing the thermal energy of the food. slowing the transfer of thermal energy from the air outside the bag
answered
Apr 15, 2023
Physics
high-school
2
answers
42.2k
views
What's the expression? lol
asked
Mar 22, 2023
Mathematics
middle-school
1
answer
176k
views
Every day, Garrett's burrito stand uses 1 7/10 bags of tortillas. How many days will 8 1/2 bags of tortillas last?
asked
Mar 3, 2023
Mathematics
college
1
answer
235k
views
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