Tuesday

May 3, 2016
Total # Posts: 16

**Fluid Mechanics**

We have a gate (3 meter long and 3 meter wide) at a 40o angle being held onto the slab by the pressure of the water with a hinge at the base. The distance z is 0.75 m. Assume that air at atmospheric pressure is above the water on the right hand side and on left hand side of ...
*April 1, 2016*

**Materials**

How does the elastic modulus vary with temperature? in polymers
*November 13, 2015*

**Chemistry**

Heating 1-bromobutane with 2M NaOH -> Butan-1-ol + NaBr Acidification with 2M HNO3 Then Addition of 0.1 AgNO3 dropwise What is the equation here? Also why does the mix need to be acidic before adding AgNO3?
*October 16, 2015*

**Algebra**

Find all solutions of: z^3-8p^3=0 Where p is a positive real number Write your answers in polar form as expressions in terms of p
*August 30, 2014*

**Calculus**

A curve is defined by the parametric equations: x = t2 – t and y = t3 – 3t Find the coordinates of the point(s) on the curve for which the normal to the curve is parallel to the y-axis. You must use calculus and clearly show your working, including any derivatives ...
*July 18, 2014*

**Chemistry**

Why is the first ionisation energy of chlorine greater than the first ionisation energy of Lithium ?
*May 8, 2014*

**Locus- Calculus**

correction: |z-5-12i| + |z-5+12i|=13
*April 25, 2014*

**Locus- Calculus**

Find the equation of the locus of the point representing z if |z-5-12i| + |z-5+21i|=13
*April 25, 2014*

**Physics**

what about time on y and length on x ?
*September 20, 2013*

**Physics**

if im plotting a graph: Time Squared vs Length What will be the unit of my gradient ?
*September 20, 2013*

**Calculus**

Rainflow is a new U- Shaped system of guttering. The cross section is a semi circle with a radius of x topped by an open rectangle of height h. The total distance ABC is 20cm For which values of x and h will rainflow carry the most water ?
*August 19, 2013*

**Calculus**

THANKS MATE !
*August 19, 2013*

**Calculus**

Skateboarders Velocity is given as v=3t-0.2t^2 What is his max velocity
*August 19, 2013*

**Maths- Calculus **

a sheet of cardboard is to be folded up to make a closed box. If the cardboard measures 55 cm by 80cm calculate the maximum volume of the box that can be made from this sheet of cardboard
*August 3, 2013*

**Math**

JILL BOUGHT THREE PENCIL AND TWO rubbers .she spent 2. 39 .rubber how much did one pencil cost
*May 8, 2013*

**Math**

JILL BOUGHT THREE PENCIL AND TW
*May 8, 2013*

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