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Questions (614)
I need to add a cover page to my writing assinment. I can not find any information on what I include in the cover page. This is
2 answers
618 views
(3x3-4x2 -x+6) Divide By (x-2)
its 9three x cubed negative 4 xsquare -x+6) divide by (x-2)
1 answer
403 views
when writing a paper on boundaries with children that have special needs what all would you write about? so far I have
3 answers
383 views
i have 30 coins made up of 5c and 20c pieces that total $3.45. how many of each do i have?????
2 answers
516 views
what did jefferson davis believe congress and the government should do about slavery?
1 answer
500 views
Can anyone explain to me what the meaning of "communication phenomenon" exactly is? Thankssss!
1 answer
470 views
how can i make the target number 670,just by using the following digits. 6,9,6,5,9,50
0 answers
303 views
what is 18x5.25
1 answer
270 views
Earlier I asked does the following represent an equilibrium situation:
1) A glass of iced tea still has sugar at the bottom after
1 answer
1,327 views
Do the following represent an equilibrium situation:
1) A glass of iced tea still has sugar at the bottom after several minutes
1 answer
555 views
1) Does a fire burning in a fireplace represent an equilibrium situation? Why or why not?
2) Does the following represent a
1 answer
718 views
One end of a metal rod is in contact with a thermal reservoir at 731 K, and the other end is in contact with a thermal reservoir
1 answer
520 views
An outboard motor for a boat is cooled by lake water at 16.0°C and has a compression ratio of 13.3. Assume that the air is a
0 answers
564 views
An outboard motor for a boat is cooled by lake water at 16.0°C and has a compression ratio of 13.3. Assume that the air is a
0 answers
1,033 views
A Carnot refrigerator is operating between thermal reservoirs with temperatures of 27.9°C and 0.0°C.
a) How much work will need
3 answers
856 views
A diesel engine works at a high compression ratio to compress air until it reaches a temperature high enough to ignite the
0 answers
526 views
A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a
0 answers
466 views
A diesel engine works at a high compression ratio to compress air until it reaches a temperature high enough to ignite the
0 answers
534 views
Two copper cylinders, immersed in a water tank at 46.3°C contain helium and nitrogen, respectively. The helium-filled cylinder
0 answers
552 views
A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a
0 answers
431 views
A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a
1 answer
1,098 views
A gas expands at constant pressure from 6.25 L at 13.1°C until the volume is 7.25 L. What is the final temperature (in K) of
1 answer
422 views
A diesel engine works at a high compression ratio to compress air until it reaches a temperature high enough to ignite the
2 answers
689 views
With each cycle, a 2650-W engine extracts 2330 J from a thermal reservoir at 85.1°C and expels 1840 J into a thermal reservoir
2 answers
995 views
Two copper cylinders, immersed in a water tank at 46.3°C contain helium and nitrogen, respectively. The helium-filled cylinder
0 answers
532 views
Air in a diesel engine cylinder is quickly compressed from an initial temperature of 21.1°C, an initial pressure of 1.00 atm,
1 answer
728 views
What is the minimum velocity needed for a roller coaster , traveling on the ground , to make it over a 112 m hill?
1 answer
381 views
A roller coaster starts from rest 85m above the ground . Assume there is no energy lost when it reaches the top of the secound
1 answer
535 views
Air in a diesel engine cylinder is quickly compressed from an initial temperature of 21.1°C, an initial pressure of 1.00 atm,
1 answer
577 views
a) What is the root-mean-square speed for a collection of helium-4 atoms at 311 K?
b) What is the root-mean-square speed for a
1 answer
393 views
A sample of gas at P = 1123 Pa, V = 1.41 L, and T = 291 K is confined in a cylinder
a) Find the new pressure if the volume is
2 answers
708 views
Suppose 2 moles of an ideal gas are enclosed in a container of volume 2.70·10^4 m^3. The container is then placed in a furnace
1 answer
1,217 views
How much work is done to move a 6kg Christmas cake from the bottom shelf to.the refrigerator ( 0.5m high) to the top shelf (1.5m
1 answer
394 views
explaining the relationship between informative, explanatory and persuasive statements and critical thinking
3 answers
3,848 views
The ANA'S ethical theories and principles and how it incorporates in its operations. Provide an example of how it applies these
2 answers
1,047 views
A penny falls from a bridge. At 3.2 seconds it will have fallen ___
1 answer
408 views
A 1.67-kg block of aluminum at 21.7°C is to be melted and reshaped. How much heat must flow into the block in order to melt it?
0 answers
898 views
A copper sheet of thickness 2.09 mm is bonded to a steel sheet of thickness 1.35 mm. The outside surface of the copper sheet is
0 answers
471 views
A 1.67-kg block of aluminum at 21.7°C is to be melted and reshaped. How much heat must flow into the block in order to melt it?
0 answers
374 views
A copper sheet of thickness 2.09 mm is bonded to a steel sheet of thickness 1.35 mm. The outside surface of the copper sheet is
0 answers
521 views
Suppose 0.0210 kg of steam (at 100.00°C) is added to 0.210 kg of water (initially at 19.5°C.). The water is inside a copper
1 answer
583 views
A 1.67-kg block of aluminum at 21.7°C is to be melted and reshaped. How much heat must flow into the block in order to melt it?
1 answer
446 views
A 1.41-kg aluminum pot contains 2.25 L of water. Both pot and water are initially at 17.5°C. How much heat must flow into the
0 answers
565 views
Suppose 0.0210 kg of steam (at 100.00°C) is added to 0.210 kg of water (initially at 19.5°C.). The water is inside a copper
0 answers
564 views
What are some global health issues related to mexico?
1 answer
1,087 views
A 40 N force is applied to pull the desk horizontally to the right. What is the magnitude (the net force or the total force)
1 answer
926 views
A desk weighing 80 N rests on the floor. The coefficient of friction between the floor and the desk is 0.25. What is the
1 answer
626 views
What options for political influence might a person pursue in an effort to change public health policy?
0 answers
903 views
what is the osmolarity of 0.35M KBr? how to set it up.
1 answer
2,366 views
Tina randomly selects two distinct
numbers from the set {1, 2, 3, 4, 5}, and Sergio randomly selects a number from the set {1, 2,
1 answer
1,547 views
A box contains exactly five chips, three red and two white. Chips are randomly removed one at a time without replacement until
2 answers
3,431 views
For each integer n ≥ 4, let an denote
the base-n number 0:133n. The product a4a5 : : : a99 can be expressed as m/n! where m and
1 answer
639 views
Select numbers a and b between 0 and 1
independently and at random, and let c be their sum. Let A, B, and C be the results when
1 answer
796 views
Tina randomly selects two distinct
numbers from the set {1, 2, 3, 4, 5}, and Sergio randomly selects a number from the set {1, 2,
0 answers
599 views
A box contains exactly five chips, three red and
two white. Chips are randomly • removed one at a time without replacement
1 answer
571 views
The ends of the two rods shown in the figure are separated by 2.97 mm at 24.3 °C. The left-hand rod is brass and 1.21 m long;
1 answer
637 views
20.2 g of potassium phosphate is dissolved into 650 ml of H2O
3 answers
925 views
25 G OF CALCIUM CHLORIDE IS DISSOLVED INTO 1500mml OF H2O. how can i set it up.
1 answer
343 views
The ends of the two rods shown in the figure are separated by 2.97 mm at 24.3 °C. The left-hand rod is brass and 1.21 m long;
0 answers
1,096 views
The ends of the two rods shown in the figure are separated by 2.97 mm at 24.3 °C. The left-hand rod is brass and 1.21 m long;
0 answers
501 views
The ends of the two rods shown in the figure are separated by 2.97 mm at 24.3 °C. The left-hand rod is brass and 1.21 m long;
0 answers
460 views
Your physics teacher assigned a thermometer-building project. He gave you a glass tube with an inside diameter of 1.15 mm and a
2 answers
1,196 views
A college student is at a concert and really wants to hear the music, so she sits between two in-phase loudspeakers, which point
0 answers
672 views
The sound level in decibels is typically expressed as β = 10 log (I/I0), but since sound is a pressure wave, the sound level
1 answer
812 views
A college student is at a concert and really wants to hear the music, so she sits between two in-phase loudspeakers, which point
0 answers
1,140 views
A college student is at a concert and really wants to hear the music, so she sits between two in-phase loudspeakers, which point
0 answers
586 views
The sound level in decibels is typically expressed as β = 10 log (I/I0), but since sound is a pressure wave, the sound level
1 answer
647 views
You drop a stone down a well that is 12.37 m deep. How long is it before you hear the splash? The speed of sound in air is 343
1 answer
1,100 views
A policeman with a very good ear and a good understanding of the Doppler effect stands on the shoulder of a freeway assisting a
1 answer
545 views
i am writing a paper for English the question is what ethical problems may rise in research on humans?List and describe the
0 answers
1,225 views
consider C3H8+O2=CO2+H20 how much oxygen would be needed to completely burn 250g of propane
1 answer
558 views
how and why do nurses use the epidemiology methods and data?
1 answer
401 views
Why is epidemiology important in the study of health and disease in communities
1 answer
556 views
Find the minimum diameter of a 51.5-m-long nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is
0 answers
704 views
Find the minimum diameter of a 51.5-m-long nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is
2 answers
630 views
Find the minimum diameter of a 51.5-m-long nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is
1 answer
1,165 views
bioterrorism and how might you prepare for its effects?
1 answer
292 views
An open-topped tank completely filled with water has a release valve near its bottom. The valve is 1.63 m below the water
2 answers
653 views
Donald Duck and his nephews manage to sink Uncle Scrooge's yacht (m = 4843 kg), which is made of steel (ρ = 7850 kg/m3). In
1 answer
604 views
A hollow rubber ball with a diameter of 5.57 cm and a mass of 38.9 g is cut in half to make a boat (in a bathtub) for American
2 answers
488 views
Because water is an essential requirement for sustaining life, why is local or international water assessment necessary to
1 answer
520 views
Find the minimum diameter of a 51.5-m-long nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is
1 answer
586 views
A hollow rubber ball with a diameter of 5.57 cm and a mass of 38.9 g is cut in half to make a boat (in a bathtub) for American
0 answers
440 views
A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and
0 answers
875 views
A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and
3 answers
1,971 views
A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and
0 answers
532 views
A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and
0 answers
1,040 views
A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and
0 answers
608 views
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which
3 answers
897 views
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which
4 answers
775 views
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which
4 answers
2,204 views
the small piston of a hydraulic press has an area of 7.0 cm squared. if the applied force is 30.0 N, find the area of the large
1 answer
707 views
i do not know how to put those in words, can some one help me, please.
CoCL2(s) + 2HF(g)= CoF2(s)+ 2HCL(g) and P6( NO3)2(aq) +
1 answer
479 views
i do not know how to put those in words, can some one help me, please.
CoCL2(s) + 2HF(g)= CoF2(s)+ 2HCL(g) and P6( NO3)2(aq) +
1 answer
449 views
Suppose the clerk had to stack 200 boxes of cereal in a triagle. How many boxes would be on the bottom row?
1 answer
620 views
Calculate [H3O+] and [OH-] in 0.22 M KOH(aq). This is a strong base.
1 answer
643 views
some university students loaded their things into a toboggan. the toboggan has a mass of 8 kg and they are pulling it with a
0 answers
518 views
A high school has created a table that shows the top athletes that play both football and baseball. Find and describe the
1 answer
500 views
Use compatible numbers to estimate. 212 + 347 = 83 + 34 =
2 answers
1,218 views
Use compatible numbers to estimate. 329 + 64 =
2 answers
1,034 views
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