# Posts by Evans

Total # Posts: 20

**Chemistry**

50 liters cylinder is filled with Ar gas to a pressure of 10130KPa at 30C. How many moles of At gas are in the cylinder

**riddle**

Air

**physics**

crude oil is contained in an iron cylindrical tank whose height is 6m and diameter of the base is 5m. at 0c, the level of crude oil is 20cm below the brim. at what temp will the oil start to over flow from the tank

**Math**

It was observed that the shadow of a vertical pole of 6 meters longer when the angle of elevation of the sun was 30° than when it was 60°.By means of a sketched diagram,calculate,correct to two decimal places,the height of the pole.

**life orientation**

It will result to the haters of another country

**Physics**

Calculate the kinetic energy of a car of mass 1200kg moving at 1.8m/s The car engine is Switched Off calculate the height the could rise up a hill before coming to rest if there is no energy loss due to friction assume g= 10N/kg Into what form has the kinetic energy been ...

**English**

British: American ll : l l : l gramme:gram please help me i need three examples of the word listed above that is spelt in the British way and also in the American way

**Maths**

A platform and building are on thesame plane. The of angle of depression of the bottom(c) of the building from the top(a) of the platform is 39degree. The angle of elevation of the top(o)of the building from the top of the platform is 56. Given that the distance between the ...

**Math**

A platform and a building are on thesame plane. The angle of depression of the bottom(c) of the building from is 39degree. The angle of elevation of the top(o) of the building From the top of the platform is 56. Given that the distance between the foot of the platform and that...

**maths**

what are real numbers

**physics**

A staging that weighs Wstaging supports a painter weighing 620 N. The reading on the left scale is 660 N and the reading on the right scale is 410 N. What is the weight of the staging? Answer in units of N

**Life orientation**

5 ways in which the human or enviromental problem impacts on the community

**phy**

A very thin hollow conducting sphere has a radius of R=0.12 m. The center of the sphere is at S. A charge of q=7×10−6 C is present at point P which is located d=0.09 m from S. Assume that this charge stays at this position (thus it cannot move). We draw a line from...

**physics**

Calulate the amount of substance in 120g of trioxocarbonate (iv)ion,co2

**physics**

Calulate the amount of substance io 120g of trioxocarbonate (iv)ion,co2

**SCI/256 PEOPLE, SCIENCE, AND THE ENVIRONMENT**

What are some social, economic, aesthetic, and ethical issues involved in a current environmental controversy? Explain.

**chemistry**

Properties of light energy

**physical**

violence in sports

**Financial information for management**

ACCA Paper 1.2 Financial information for management Question 1 Preliminaries -Generating data (unit cost) for your version of the question -Using a scientific calculator,generate two 3-digit random numbers (hit the random number button twice {shift then Ran # then,possibly,=} ...

**Microeconomics**

i wish to have any script/book covering microeconomics