Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Earth Science
1. We start with 400 atoms of Uranium-238. How many remain after 4.5 billion years? _______ After 9 billion years? _______ After 13.5 billion years? ________ 2 . How long will it take for ½ of the original amount of Rubidium-87 to decay? _______ 3. Carbon-14 has a half-life ...

Science---Hurry Please Help!
What do the lines making a circle around the high-pressure area indicate? A) Areas of equal pressure B) Areas of equal altitude C) An occluded front D) A stationary front

science
how should each form of energy be identified? A) energy A:gravitational energy /energy B:chemical energy B) energy A: nuclear energy/ energy B: electrical energy C) energy A: electromagnetic energy energy B:sound energy D) energy A: mechanical energy /energy B: thermal energy

science
what similarities do nuclear energy and chemical energy share? select all that apply. A) both are types of kinetic energy B) both are types of potential energy C) both involve magnetic energy D) both involve stored energy please help! anybody just anybody!

science
1. what occurs as the convection current moves toward the upper mantle density increases density decreases temperature increases temperature decreases 2. what occurs as the convection current moves toward the lower mantle (same options as #1)

digital literacy
what is an search engine? A-a website that searches specific information on the world wide web. B-a piece of hard ware that allows your computer to search for information. C-an external device that keeps your computer running. d-an piece of software that interprets data

Science
Ammonia is used as a refrigerant not ph3 why...?

Effective Learning Environment
Which would be an important consideration for developing a preschool classroom? A. Unlike kindergarten children, children at this age don't participate in long-term projects, so they don't need storage for longterm work. B. You won't need a science or math center since ...

Science physics
A uniform metres rod of weight 100N carries a weight of 40N and 60N suspended from the 20Cm and 90cm marks respectively, where will your pivot a knife edge to balance the rod.

science
Two bricklayers are going for a swim. One bricklayer’s is the father of the other bricklayer’s son. How are the two bricklayers related?

Science
if you want to completey vaporize 6.0g H2O liquid initally at 48.0 degree celcuis how many kj would be needed

Maths, agricultural science, life science and e on
What job can i do while am doing this sujects?

science
1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.Which of these observations of Barnard’s Star is most likely accurate? * 1 point

science
in xperiments involving a pithball electroscope what causes the pithball to move?

science
Place the following words into the illustration below:gametes,sporophyte,gametophyte, and zygote,. Explain how the terms are related. I need help please!!

Science
a pendulum bob has by passing through its lowest position. what is its speed when make angle of 60 with the vertical the length of the pendulum is 0.5 .

Science
A pump is used to lift 500 kg of water from a depth of 80 m in 10 seconds.Calculate the power rating of the pump if it's efficiency is 40% . Take g=10 m/ s*s.

Science
Material point is accomplishing harmonic oscillation. What is the time for its displacement from equilibrium position to half of its amplitude ? The period of oscillation is 24 s, and the initial phase is 0 rad.

science
What is the period of mathematical pendulum with a lenght of 39,2 m ?

Science
In what acceleration will tear a rope if it raises vertically body mass of 500 kg? The rope bears maximal strength force 15 kN.

Science
Determine the weight of an astronaut with a weight of 100 kg, if the rocket which rises him moves with acceleration 9,8 m/s^2

Science
Oscillating body has a period of 5 s. for one turn. Determine the frequency and angular frequency of oscillation.

Science
Body of mass 10 kg is at rest on a horizontal surface. A force of magnitude 10 N is applied to the body for 10 s. What is the final speed of the body?

science
A 2.4-kg pile of aluminum(ρ = 2.70 g/cm3)cans is melted, then cooled into a solid cube. What is the volume of the cube?

Science
Identify six stages of the process of scientific inquiry (scientific method) and explain why the process is not a rigid sequence of steps.

physical science
Luster Malleable Ductile Conductor Solid at room temperature Which element could be described by the list of properties above?

Computer
Create an algorithm, flowchart, and pseudocode for a solution of the following problem. This solution will include the use of arrays needed to complete all parts of the logic. You have requested to develop a program that will record and process the rainfall totals of a 12 ...

science
find the 8 kg of water at 80°c.

science
1.A dog is trained to sit and shake hands. These traits are most likely (1 point) a) inherited b) not inherited*** c) not acquired d) innate 2.In a particular breed of cattle, a black coat is dominant over a red coat. If a cow with a red coat is crossed with a black bull that ...

Science
What is amount of ammonia produced from 56 gm of nitrogen gas

science
Proper condition for maximum yei of so3 in reaction 2so2+o2=so3+HEAT

Science
The mutual gravitational attraction between two masses in space is 686 Newtons. What is the new gravitational force between these masses if the distance between them is increased by a factor of 5.6? To be graded correctly, enter the new weight in Newtons (numbers only, no text...

Science
An element X has 6protons and 8neutrons in it .what is the charge of the element

Science
Physics A scientific instrument weighing 98 pounds on the Earth is transported to another planet whose mass is 1.7 Earth masses and whose radius is 0.7 Earth radii. What does this instrument weigh on this planet? To be graded correctly, enter the new weight in pounds (numbers ...

science
A certain conductor has a risestnace of 5 ohms at 0oC. if the temperature coeffiecient is 0.002/0oC, find its resistance at 2000oF?

Physical Science
A 50.0-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 26.0° below the horizontal is applied to the box. What is the minimum coefficient of static friction between the box and the surface required for the box to remain stationary? 1) 0.441 2...

SCIENCE
3) You add 36 g of MgSO4 to pure water to a final volume of 200 mL. What concentration of solution did you make ? Express the results as percentage, % (w/v).

9th grade physical science
the density of copper is 8.92g/cm^3. If you plotted the mass of copper in grams versus the volume in cubic centimeters, what would the slope of the line be?

Science
Pls help me solve this question pls. A stone of mass 6.5kg is thrown vertically upward with velocity with 10m/s find a. the potential energy at the greatest height and the value of h .b the kinetic energy of reaching the ground again(g=10m/s2) in physics?

science
if a strong odour is smelt continuously for some time the sensation ofsmell of that substance weakness why?

science
A hot air balloon is ascending with a constant velocity of 5m^s-1 when somebody in the balloon throws a bottle upward with a velocity of 2m^s-1 if the balloon is 55m above tge ground when this happens calculate the time taken for the bottle to reach the ground

Science
At what position a candle of length 3 cm be placed in front of a convex lens so that it's image of length 6 cm be obtained on a screen placed at distance 30 cm behind the lens

Science
a bullet of mass 0.01kg is fired from a gun weighting 5 kg. If the initial speed of the bullet is-250 m/sec, calculate the speed with which the gun recoils

natural science
What volume of copper ( density 8.96 g/cm3 ) would be needed to balance a 1.15 cm3 sample of lead ( density 11.4 g/cm3 ) on a two-pan laboratory balance?

Science
How many btu require to change 10 pounds of ice at 20F to steam at 220F

Science
a bullet of mass 0.01kg is fired from a gun weighing 5.0kg . If the initial speed of bullet is 250 m/sec, calculate the speed with which the gun recoils

Science
Suppose that three samples of water are prepared as described: addition of carbon dioxide, addition of oxygen, and degassed to remove all gases. Three identical Elodea plants are placed in each of these water samples. How will the rate of bubble formation compare in the three ...

Science
Carrying capacity is the maximum number of ___________ that an ecosystem can support 1.different species 2.individuals in a population**** 3.habitats 4.limiting factors In an island ecosystem, a species of beetle feeds on leaves of a shrubby plant. A species of songbird preys ...

Science
If a bowling ball with a mass of 2.75kg. travels 27 meters in 7.6 seconds , how fast is it traveling?

science
A copper calorimeter weighs 100g when empty, 400g when half full of water at 0 degrees Celsius, and 450g when ice at 0 degree Celsius is added. When some steam is passed into the mixture, its temperature is raised by 10 degrees Celsius. Find the quantity of steam added

science
A stone is dropped from a balloon going up with a uniform velocity of 5.0 m/s. If the balloon was 50 m high when the stone was dropped, find its height (in meters) when the stone hits the ground. Take g = 10 m/s2 (A) 50 (B) 58 (C) 68 (D) 78.5

science
The work of which scientist(s) helped to explain light's ability to propagate through a vacuum? A. Maxwell ==B. Davisson and Germer C. Fresnel, Fraunhofer, and Arago D. Newton An object that has a height of 0.4 meter is placed at a distance of 0.7 meter from a concave ...

Science 6th grade
PLEASE HELP Explain why the outer planets did not lose the lighter gasses in the atmosphere.

science
when building a house, wich of the following is a simple machine that a construction worker would use? A)plywood B)safety hat C)cement D)pulley

science
remy noticed that after oiling his skateboard wheels,it was easier to reach the speeds he needed to preform tricks how did the oil help A) the oil reduced friction between the moving parts of the skateboard B)the oil increased friction between the moving parts of the ...

science
you do 185 J of work pulling a cart up a ramp. if the ramp does 153 J of work,what is the efficient of the ramp? A)82.7 percent B)121.0 percent C)32.0 percent D)338.0 percent

science
to chop wood you apply 50.0 N of force to an ax. the ax supplies 600.0 N of force to the wood. what is the mechanical advantage of the ax? A)650.0 B)8.3 C)12.0 D)0.0833

science
a box of cleaning supplies weighs 15 N. if the box is lifted a distance of 0.60 m, how much work i sdone? A)0.040 J B)9 J C)14 J D)25 J

Science
A car was travelling at the speed of 20m/s when the driver saw a cat on the road 40 m away. He step on the brake and the car came into a halt after 6 seconds. How far did the car travel. What will happen to the cat?

science
Define the photoelectric effect?

science
Depth of water in swimming pool is 1.5m. When we see from top the depth appears to be_.

maths
In a class, 22 offer maths, 21 offer English and 25 offer science. 4 students offer all three subjects and 36 offer exactly one subject. If all the students offer at least one of the subject, then how many offer two subjects?

science
calculate the moles of oxygen atom in 6.2 g of calcium carbonate?

science
Bacterium called pathogen. The example of a beaker with a single bacterium in it. That divides and doubles itself. If you place the first bacterium into the beaker, how much time it takes to half full? And how much time it takes to full? if we put a bacteria in 720 milliliter ...

Science
In what levels are producers and tertiary consumers, respectively found in an energy pyramid? I am kind of lost on how I am supposed to determine what level a producer is at on a pyramid? Can you please help me with this.

Science
Which level of consumer is an owl in the following chain: grass, cricket, mouse, and owl? I do not know understand this at all can you please explain this so I can get a better understanding of this?

Science
What factor is described when low water levels are causing animals to die from dehydration? I am confused on this. Please help. I don't even know where to begin looking

Science
What structure traps the pollen

science, pysics
A child having a mass of 37 kg sits 0.2 m from the center of a merry-go-round that is rotating with a period of 36 s. What is the centripetal force acting on the child? What is the centripetal force in Newtons?

physics, science!
A child having a mass of 37 kg sits 0.2 m from the center of a merry-go-round that is rotating with a period of 36 s. What is the centripetal force acting on the child? What is the centripetal force in Newtons?

physics, science!!!
A child having a mass of 37 kg sits 0.2 m from the center of a merry-go-round that is rotating with a period of 36 s. What is the centripetal force acting on the child?

physics, science
What centripetal force is needed to keep a 10 kg object moving at a constant speed of 10 m/s in a circle having a radius of 11 m?

Science
What is the average velocity of a car that moved 25 km east and 40 km wear in 2 hours

science
Which of the following set of terms could be used in a description of the peripheral nervous system? A)motor neurons and sensory neurons B) brain and spinal cord C)motor neurons and brain D) sensory neurons and spinal cord

Science
During a lunar eclipse, does the Moon enter the Earth’s shadow from the east or the west? Explain your answer. Wouldn't it be the east because that's the same way the moon rises normally? So if it normally rises in the east it would do that again.. or would it be west ...

science
what word can these letters make rorpsfgnloadeeas?

science
what do you think should be the motion of an airplane preparing for take off?

science
how will you describe the speed of the plane from the rest until it takes off?

science
Bacterium called pathogen. The example of a beaker with a single bacterium in it. That divides and doubles itself. If you place the first bacterium into the beaker, how much time it takes to half full And how much time it takes to full

physical science
two forces of 60 and 80 newton respectively act simultaneously at the point ...sketch and determine their resultant force using tail to tail method and tail to tail method

Science
Explain what Maria and craters are and how they formed.

Supportive learning environment
The ideal early childhood schedule for preschool children contains which of the following? A. Frequent changes in activities so children don't get bored B. A 45-minute circle time activity C. Integrated activities within a large block of time D. A specific time for each ...

Science
Hello again, I'm really sorry... We were learning about pH scales, bases, and acids. It was kind of hard in a way but it was alright, I'm kind of in the hang of it now. But this question really stumps me. "Why is it important for the pH of blood to remain constant?" My unsure ...

science
The orbits of planets being elliptical was one the planetary laws developed by ==A. Kepler. B. Brahe. C. Ptolemy. D. Copernicus. If a car travels from Town A to Town B on one road at different speeds and stops at red lights, knowing the distance between the towns and the ...

physical science
Look at the graph below measuring the speed of a truck and answer the following 2 questions: a) If the graph represents speed, what is measured on the x and y axes? You need to specifically identify which axis is which. b) Based on what the y axis measures, explain the motion ...

Science
Name 2 of each types of resources

math
John has $20 to spend at a used bookstore. He wants to buy twice as many science fiction books as mystery books. Mystery books sell for $1.25. Science fiction books sell for $1.75. Tax is included in the prices. What is the greatest number of science fiction books that John ...

Science
The doctor ordered an IV infusion of NaCl at 125 ml/hr for the next 48 hours. THe drop factor for the IV tubing is 10. 1) calculate the gtts/min Answer: 23 gtts/min 2) calculate the total amount of IV fluid the client will receive in 48 hours. I got 6000 ml.... Anyone check ...

physical science
Look at the graph below measuring the speed of a truck and answer the following 2 questions: a) If the graph represents speed, what is measured on the x and y axes? You need to specifically identify which axis is which. b) Based on what the y axis measures, explain the motion ...

physical science
If you push a 900N refrigerator with the same force as you lift a 40N dumbbell, the dumbbell will move faster. which of Newton’s laws is this an example of? Explain how you know please. i know it's not the 3rd law.

science
I have completed a back titration with an antacid tablet weighing 1.25 mg and 0.1494 M concentration of HCL (100 mL was added) and the concentration of NaOH is 0.1422 M. Determine the concentration of HCl remaining in the volumetric flask

Science
How many molecules are in C6H12O6 or glucose?Need the answer by Feb-1-17. Thanks

science
I need help constructing a graph showing and predicting when two toy cars traveling at different speeds when the fast car can pass the slower car.The fast car traveled 1.5 meters in .87 sec.and .94 sec and .97 sec in three trials. The slow car traveled 1.5 meters in 1.1 sec ...

Science
Why do Oil & Water not mix? I'm so confused (This is just something I wanna know, no multiple choice) also, Ms. Sue, If you see this, Hi

Science
The (blank) has given scientists information about past life on Earth.

Science Please Help
Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

MATH
What number is 73% of 215? (1 point) 215 = 0.73n n = 0.73 × 215 0.73 = n × 215 215 = 73n 2. What percent of 94 is 23? (1 point) n/94 = 23/100 23/94 = n/100 94/n = 23/100 23/94 = 100/n 3. 80 is 40% of what number? (1 point) 200 32 20 112 4. Find the commission on a $1,250 ...

Science
A train travelling north at a speed of 50km/h and another train travelling in the same direction at a speed of 8km/h.Calculate the resultant velocity.

Science
Predict when a fast toy car can pass a slower toy car . I marked off a distant of 1.5 meters and recorded the time it took the cars to reach the finish line. How do I create a graph and make a prediction? The fast car times were .87 sec. ,.94 sec. ,and .97 sec. the slow car ...

Science
By using different types of technology like satellites, radar, and river gauges, scientist can reduce flood damage and loss of life A:Models B:Automated weather systems C:Nonpoint sources D:Advanced warnings I think the answer is D. Thank you for your help.

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Homework Help: Computers