03/07/17

Use Charles's Law to find T1 given
V1 = 123 L , V2 = 87L, T2 = 111*C  answer in units of C
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03/07/17

How far does the car travel before stopping?
An automobile of mass 2 000 kg moving at 30 m/s is braked suddenly with a constant braking force of 10 000 N. How far does the car travel before stopping?
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03/07/17

If (a-b)^2 + (b-c)^2 = 0.then prove that a=b=c.
The question is a proving type question of class 8 standard.
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03/07/17

if 15 more than a number is 3 more than double the number, what is the number?
if 15 more than a number is 3 more than double the number, what is the number?
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03/07/17

Physics Help. The 2 m copper wire with square cross section of 1mm by 1mm stretched 1.67 mm when it supports a 10kg mass.
Cut a length of this wire 0.2m long and hang a 10kg mass from it. How much will this short wire stretch?
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03/06/17

Why should water bottles NOT be brought in class?
PLease give good reasons. That will help win a debate about this.
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03/05/17

Algebra iI
Express -130° as a radian measure, to the nearest hundredth 
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03/05/17

Where'd the other dollar go?
If I own a hotel and 3 men come to stay I charge them each 10.00. Later on I decide 30 is too much so I send my worker up to give 5.00 back she decides she can't split 5.00 between 3 men so she... more
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03/05/17

when taking the derivative of the natural log you do 1/x *x' correct?
I have these natural log questions and some of them I get correct and some of them I don't. I am using the same rule for each so I don't know why I am getting things wrong. for example: I was... more
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03/05/17

how to take the derivative of a natural log function given multiple e's
e^(ln(e^((3x)^2) + 7)   I am not sure how to attempt this, I thought the first e would cancel with the natural log and you just take the derivative, but that didn't work. Please help me.    
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03/05/17

Draw a representation of the reactants
Draw a representation of the reactants and products that would remain after complete reaction of the 3 equivalents of reactant A and 1 reactant of reactant B (Ex. A + B --> C)
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03/05/17

Verify the identity. cot{x- pi/2}=-tan x
I'm just not sure how to go about doing this.  Thank you for your help.
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03/05/17

Find a polynomial of least degree with only real coefficients and having the given zeros.
1-square root of 3, 1+square root of 3, and 1+i.
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03/05/17

Which of the following molecules is not a diatomic molecule
O2 Cl2 N2 H2O
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03/04/17

A polyethenepiece is rubbed with wool and it has been found on acquire a negative charge of 3*10to the power -7?
Find ... 1.How many electrons have transferred from wool to polyethene piece. 2.Is there change in mass when the electron transfer?if yes then how much.
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03/04/17

what is quantization of electric charge?
I know it is integral multiple of q=ne where we use.....n=1,2,3,4,5..... If it is a integer then why we cant use integer=0,-1,-2.....
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03/03/17

Can you help to find the acceleration of the traveling car?
A car traveling at 15m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. What is its acceleration?
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03/03/17

Exponential growth and decay
Kelsey is culturing bacteria that have a growth rate of 10% per hour. If the current population is 34,000 bacteria, how many bacteria will there be in 16 hours?If necessary, round your answer to... more
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03/03/17

fuctions and tensors
1.  f:    x-------------------> Φ=f(x) like temperature 2.  f:    x-------------------> V=f(X) like air velocity but 3.  f:    x, y, z-------------> ?=f(x,y,z) is there a meaning in... more
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03/03/17

What is the ratio of 4 apples to 5 oranges
There are 4 apples,2 bananas, 5 oranges, and 3 pears in a furit bowl what is the ratio of apples to oranges
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03/03/17

When you multiply a difference of two squares, why is your answer a binomial instead of a trinomial like when you multiply the sum of two squares?
I need help with this algebra question...
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03/03/17

f(z)=u+iv be analytical and real valued .show that f must be constant
let f(z)=u+iv be analytical and real valued .show that f must be constant
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03/02/17

If f(x) = ex, what would be the exponent of the function f(2x)?
If f(x) = ex, what would be the exponent of the function f(2x)?
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03/02/17

for all integers m and n where m < n if m and n are consecutive then mn is even
 Prove by case method: For all integers m and n where m < n if m and n are consecutive then mn is even
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03/02/17

How do you write a polynomial function with the given zeros. -3, 2/5, -2i
These were the given zeroes and i need help.
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