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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
6
votes
116k
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
3
votes
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
5
votes
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
4
votes
110k
views
Example of learning by association and linking two sequential events
answered
Sep 25, 2024
Advanced Placement (AP)
high-school
7
votes
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
6
votes
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
3
votes
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
4
votes
204k
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
vote
217k
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
3
votes
155k
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
12
votes
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
2
votes
57.5k
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
8
votes
42.2k
views
11. Find the Domain and Range of the following: (6.-1) (-2.2) (18,-1) (-2,3) Domain: Range: Is this relation a function?
answered
Nov 24, 2022
Mathematics
high-school
3
votes
77.4k
views
What is the vertex of f(x)=x^2+6x+1 Write your answer as an ordered pair without spaces
answered
Nov 4, 2022
Mathematics
high-school
10
votes
67.4k
views
Is the number -1.33 greater than, less than or equal to 1.33
answered
Oct 5, 2022
Mathematics
college
7
votes
69.7k
views
Helppppppppppppppppppppppppppppppppppp
answered
Sep 11, 2022
Mathematics
college
2
votes
46.5k
views
Select the evaluative question. Who build the Great Pyramids? How long ago were the Pyramids built? How long did it take to build the Great Pyramids? How do the Great Pyramids reflect the culture at the
answered
May 30, 2022
English
college
2
votes
137k
views
What Was Rube Goldberg's purpose for creating the invention, "The Self- Operating Napkin"? A. to help diners stay clean while eating soup B. to entertain his guests with a fun way to eat dinner C. to create
answered
May 30, 2022
English
college
8
votes
92.6k
views
Which trig functions have the same value as sin 2pie/3
answered
May 21, 2022
Mathematics
college
1
vote
229k
views
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