Homework answers and tutorials

Waiting for answer All atoms of a given element contain the same number of prot...
All atoms of a given element contain the same number of PROTONS. The atoms of a given element may contain DIFFERENT number of neutrons. The number of PROTONS, massive, positively...
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Waiting for answer What is the difference between linear velocity and angular v...
Linear velocity (V) is a length displacement for a time (metres per second) Angular velocity (W omega) is an angle displacement for a time ( radians per second) Both can be related in the case where the object is moving about a point of rotation at a radius r. ##V=W*r## I you consider the relationsh...
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Waiting for answer How does the radius affect the moment of inertia?
The greater the radius, the greater the moment of inertia. The formula for the moment inertia of a disk is ##I=mr^2## If you double the radius, the moment of inertia increases 4 times.
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Waiting for answer Why did China have a favorable balance of trade with Great B...
Through its long history, China has often considered the rest of the world to be barbaric and has traditionally limited trade; in the 19th Century, this became a major problem. The t...
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Waiting for answer How are meteoroids, meteors and meteorite related?
Please see below in explanation: I will explain you each by which you can understand what they are. ##1.## Meteoroids  Meteoroids are similar to an asteroid, but significantly s...
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Waiting for answer How do you write ##y=2x+1## in standard form?
The standard form of a linear equation is ##ax + by = c## We can transpose ##2x## to the left hand side to get ## y  2x = 1## ## 2x + y = 1## Multiplying both sides with ##1## gives us ##color(green)(2x  y = 1## is the Standard form of ##y=2x+1##
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Waiting for answer What are quarks made of?
Quarks are so far considered to be elementary (No further constituents). However, the string theory advocates the presence of further elementary structures (the so called string like entities) which make up quarks. String theory has so far not been satisfactorily verified by experimental physicists....
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Waiting for answer How do you find the area between two curves using integrals?
First, you will take the integrals of both curves. Next, you will solve the integrals like you normally would. Finally, you will take the integral from the curve higher on the graph and subtract the integral from the lower integral. Take for example we have two functions ##f(x)=32x^2## and ##g(x...
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Waiting for answer What were the Jim Crow laws?
The Jim Crow Laws were laws that discriminated against African Americans and were designed to preserve White privilege in the southern states of the United States. The Jim Crow laws...
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Waiting for answer Is the earth slowly getting closer to the sun as it orbits i...
Actually are slowly moving away from . But the effect is very small, only about 0.01% in a billion years for Earth. There are two main mechanisms driving the planets away from the...
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Waiting for answer When did the Korean War start?
The Korean War started June 25, 1950. The Korean War (19501953) was kindled when the Communist Party of North Korea crossed the 38th Parallel and took over South Korea (nonCommuni...
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Waiting for answer Some examples of hypertonic,hypotonic and isotonic solutions...
hypertonic to man salt water, hypotonic freshwater, isotonic same concentration of blood the osmosis takes place due to gradient difference and is with reference to the blood of the...
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Waiting for answer What is the square root of 1.69?
##1.3## ##sqrt(1.69)=sqrt(169/100)=sqrt(13^2/10^2)=13/10=1.3##
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Waiting for answer What is the area of a circle with a diameter of 27 inches?
##A= "572.6 inches"^2## Area of circle using diameter##=1/4pid^2## ##d=27## ##A=1/4pi(27)^2## ##A=1/4pi(729)## ##A=(2290.22104447)/4## ##A = "572.555261117 inches"^2## ##A = "5...
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Waiting for answer How do you rewrite a polynomial in standard form?
Standard form simply refers to the format of a mathematical expression where the terms are arranged by decreasing order of degree. Where the degree is determined by the exponent value of the variable of each term. For quadratic equations the standard form is ##ax^2 + bx + c## Where ##ax^2## has...
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Waiting for answer What was the Iroquois League?
The Iroquois were a prominent confederacy of Native Americans located in the Northeast. Originally, five Indian tribes made a peaceful pact and were known as "nations". It is also t...
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Waiting for answer How do you find the equations of the tangent lines to the cu...
Have a look: which gives yu two equations: ##y=1/2x+7/2## and ##y=1/2x1/2##
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Waiting for answer What does ##y = mx + b## mean?
if you think of the X and Y axis, for each x (0,1,2 ..) there will be a Y. this means it will create a line. this formula defines the position and the form of the line.
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Waiting for answer When using a conjunctive adverb to join two independent clau...
Either a period or a semicolon. While a conjunctive adverb describes a link between one independent clause and a preceding independent clause, it is not a "true" conjunction in that...
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Waiting for answer What are the noble gases, the representative elements, the t...
See explanation. Representative are the elements of the s and p block. Transition elements are elements of the d block. Inner transition elements are elements of the f block. Rep...
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