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Questions Answered

JaneSmith:
Group Title
The sum of all the potential and kinetic energies in a substance is called its:
a. internal energy
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

rebecca1233:
Group Title
Select the point that lies within the solution to the graph of y > –3x + 4.
(–1, 7)
…
 updated one year ago
 7 replies
 3 Medals
Mathematics

mathgirl501:
Group Title
the question is.. the perimeter of a rectangle equals the sum of the length of it's four sides, if the width is 5 and the perimeter is 36, w…
 updated one year ago
 2 replies
 1 Medal
Mathematics

Ruchi.:
Group Title
how to convert 100g into mole?
 updated one year ago
 10 replies
 1 Medal
Mathematics

Mathhelp346:
Group Title
please HELP!!
Does adding weight affect the coefficient of friction?
 updated one year ago
 16 replies
 2 Medals
Mathematics

Tayla:
Group Title
7.
Find the value of x. The diagram is not to scale.
figure (1 point)
…
 updated one year ago
 12 replies
 2 Medals
Mathematics

Tayla:
Group Title
6.
Find the value of k. The diagram is not to scale.
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

zsteed:
Group Title
why is it necessary to use weighted values for calculating average atomic mass?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

tkatko94:
Group Title
Why is the atomic mass of an element not equal to its mass number?
 updated one year ago
 2 replies
 3 Medals
Mathematics

aussy123:
Group Title
In an exothermic reaction, the bonding energy of the product is:
…
 updated one year ago
 7 replies
 2 Medals
Mathematics

summ4summ:
Group Title
P4 + KClO3 > KCl + P2O5
Can anyone explain to me how to balance this equation please?
 updated one year ago
 7 replies
 1 Medal
Mathematics

branflakes:
Group Title
Using a rocket to visit the space station requires 119 trillion BTU of energy. The best fuel for the mission will have the highest ratio of …
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

diggamontana:
Group Title
potassium, K, Has an atomic number of 19 and an atomic mass of 39 how many electrons does a stable atom of K have?
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

FaisalAyaz:
Group Title
what would be the way to calculate the power output of a turbine in a rankine cycle which is not isentropic?
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Shehab:
Group Title
What are the elements in a Vegetable soup ?
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

koli123able:
Group Title
Solve the equation (eqn coming soon)
.
.
…
 updated one year ago
 12 replies
 1 Medal
Mathematics

OhHeyItsPatrice:
Group Title
activitity title> constant velocity speed
exercises Motion a line with constant velocity.
1. if a bus travels north with a constant veloci…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

lawson4238:
Group Title
The faces of a rectangular solid are square.
always
…
 updated one year ago
 2 replies
 1 Medal
Mathematics

ragman:
Group Title
Air contained within a pistoncylinder assembly undergoes three processes in series:
a. Process 12: compression at constant pressure from …
 updated one year ago
 3 replies
 1 Medal
Mathematics

kupiaz1215:
Group Title
Suppose your 1460kg sports car has a 250hp engine that's 40% efficient. (That is, 40% of the 250hp can be converted into the car's motion.)
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Ruchi.:
Group Title
a steel tape is calibrated at 20'c .on a cold day when the temperature is 15'c ,what will be percentage error in tape?
 updated one year ago
 41 replies
 5 Medals
Mathematics

shanewatson:
Group Title
where is the direction of tangential acceleration
 updated one year ago
 3 replies
 3 Medals
Mathematics

Ruchi.:
Group Title
how to change Celsius into Rankine scale?
 updated one year ago
 14 replies
 No Medals Yet
Mathematics

naniboy:
Group Title
Suppose your 1140kg sports car has a 280hp engine that's 40% efficient. (That is, 40% of the 280hp can be converted into the car's motion.)
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

sunny2204:
Group Title
If acceleration time graph is a straightline with ve slope.....Explain the meaning
 updated one year ago
 3 replies
 3 Medals
Mathematics

DLS:
Group Title
Anyone teach me resonance please..?
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

slorraine:
Group Title
What unit is used when measuring the push that causes a charge to move?
 updated one year ago
 7 replies
 1 Medal
Mathematics

micreed3:
Group Title
In the water cycle, what type of phase change(s) occur(s) above the oceans?
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

Cat1950:
Group Title
How were atomic models developed when no one had seen an atom?
 updated one year ago
 3 replies
 1 Medal
Mathematics

009infinity:
Group Title
which came first energy or matter???
plz take seriously
 updated one year ago
 8 replies
 1 Medal
Mathematics
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