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Prelim 2016 Maths Help Thread (2 Viewers)

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InteGrand

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Did anyone help me with Q2 or Q3?


''3. A particle is moving in a straight line. It starts from a fixed point O on the line and at time t second its velocity v m/s is given by v=2cost
a. Find the first two times when the particle is at rest
b. find the distance travelled by the particle between these two lines
c. Find the acceleration particle when it is at rest
''





 

eyeseeyou

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COuld someone please try solving my second and last question for me

Thanks
 

davidgoes4wce

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Okay here:


5. An object falling from rest in air is suspended to an acceleration x (with 2 dots on top of x)=g-(v/k dash) where g and k are constants and v is the velocity and time t
a. Show that v=gk (1-(e^-(t/k)))
b. What is the greatest speed obtained?
c. What is the greatest distance travelled in the time t=k In 4
Your question 5 I can't understand what you are writing.

I'm assuming you mean:

 

eyeseeyou

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Anyone here know how to type a squareroot on microsfot word?
 

leehuan

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Just learn to use the ordinary symbol with BRACKETS
 

Shuuya

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Anyone here know how to type a squareroot on microsfot word?
Click on Insert --> Equation ---> Insert new equation

You should be able to select the square root symbol from 'Equation Tools' (it's under the heading 'Radical')
 

eyeseeyou

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Click on Insert --> Equation ---> Insert new equation

You should be able to select the square root symbol from 'Equation Tools' (it's under the heading 'Radical')
did that but couldn't find that shit
 

leehuan

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Equations toolbox is for Microsoft word 2010 onwards or something I think.

But yeah it's called "Radical" if you're using Microsoft Word for actual maths purposes.

I'm on Microsoft Word 2015 and it's under the Insert tab - Insert Equation then proceed.
 
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