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Comparisons

People often examine things and objects by comparing their similarities or differences in order to judge the specific characteristics, qualities and the degree of their merit. This category includes all the questions and answers to relate things with their similarities and to distinguish with their differences that decide their specific nature in contrast to their counterparts being compared.

3,466 Questions

What is the efficiency of a machine that requires 150 J of input energy to do 20 J of useful work?

The idea here is to divide the useful work by the input energy. (Note: Usually "power" would be used instead of "energy"; power is measured in joules/second.)

What are the Pros and cons of a runoff primary?

with runoff voting it costs extra money to to hold multiple elections, and the turnout for the final election may not be the same as the primary

What is the definition of 'upbraids'?

Upbraid means to criticize or to find something wrong.

What is the difference between anticipated and intended?

Anticipated means that the outcome or event is known in advance (or at least you believe you know it) and it's just a matter of waiting until it comes to pass.

Intended is why you plan for and try to make happen - but without a guarantee that it will happen. When two closely matched teams play each other in a sporting event the intended outcome for each team is to win. If one of the teams is grossly overconfident, they "anticipate" winning.

When Christmas rolls around, kids anticipate presents under the tree. Their parents intend for the kids to be happy about the presents. If one of the presents is one that a child has been begging and pleading for, they parents may anticipate a good reaction.

Jupiter has about 300 times the mass of Earth and about ten times Earth's radius. What's the Estimated size of g on the surface of Jupiter?

Since gravitational forces between two masses are proportional to m1 & m2, a 300x increase in planetary mass would INCREASE the gravitational force on an object by the same factor: 300x compared to earth. Since gravitational forces are also proportional to 1/(radius squared), a 10x increase in planetary radius would DECREASE the gravitational force by a factor of 100x (10 squared), at the planet's surface. So an object on such a planet would experience gravitational forces 3x greater than those on earth.

Since gravitational forces between two masses are proportional to m1 & m2, a 300x increase in planetary mass would INCREASE the gravitational force on an object by the same factor: 300x compared to earth. Since gravitational forces are also proportional to 1/(radius squared), a 10x increase in planetary radius would DECREASE the gravitational force by a factor of 100x (10 squared), at the planet's surface. So an object on such a planet would experience gravitational forces 3x greater than those on earth.

Does DNA store its information more efficiently or less efficiently than a computer?

The data storage density is much higher in DNA than in any electronic or magnetic memory available on computers today.

For example every human cell contains 6,469.66 million basepairs (1.617415 GB) in the DNA inside its nucleus. This is similar to one RAM module on a modern computer.

What is the relationship between faith and salvation?

You need faith in order to have salvation. You must also have repentance.

What is the difference between cars in 1900s and the modern cars?

the cars in the 1900 have small engines. they had thin tires too. they only went like 30 mph. changes are for the better

What are the pros and cons of a interrupted projection?

Pros- The show the correct sizes and shapes of land masses by cutting out parts of the oceans.

Cons- Cuts on the map make it impossible to measure distance accurately or plot a course across the ocean.

How do you compare two or more items?

When comparing two items or two objects, then look for the similarities (what is the same) and differences (what is different) between them.

Where can one find a GPS comparison?

Online review sites are a great place to look for comparisons of different GPS types. Users write the reviews and give feedback, so it is easier to see the advantages and disadvantages of each one.

What are the pros and cons of quarrying?

Pro's:

- Gain raw materials for building

- Jobs available (employment)

- Increase wealth for the area

Con's:

- Noise pollution

- Dust pollution

- Increased traffic due to transportation of materials

- Visually unattractive

- Ruins the landscape

- And destroys habitats

What were pros and cons of trebuchet?

Pros of the trebuchet include its ability to launch heavy projectiles over long distances with great accuracy and power, making it effective for siege warfare. Its mechanical design allows for a relatively simple construction using available materials. However, cons include its large size and the extensive manpower required to operate it, as well as vulnerability to counter-siege attacks. Additionally, the time it takes to reload and reposition can limit its effectiveness in fast-paced battles.

Difference between osmosis and active transport?

The difference between osmosis and active transport is that osmosis takes place only in water molecule and active transport takes place in takes place in the internal lining of the small intestine. 2 osmosis takes place in presence of concentration gradient and active transport against the concentration gradient.

What is the definition of comsumerism?

It is either the concept of market growth through consumption or the advocacy representing and protecting the consumer.

What is the definition of ophthalmorrhexis?

Yikes, it is when an eyeball ruptures! Anything starting with opthal is going to be about eyes (opthamologist - eye doctor.) And the morr indicates something leaving (like hemhorrage - bleeding freely) and the hexis indicates rupture or bursting when paired with morr. Hope this helps!