Recent content by Physics Time

[PLAIN]http://img27.imageshack.us/img27/3459/phys.png I don't know how to draw something like this...

Well?!

We did it quickly so I wasn't aware of what kind of thing he exactly used. The teacher only wants us to change the things i wrote to the lifting force and to ms-1. I JUST NEED HELP FINDING OUT THE LIFTING FORCE please... THE DATA WASN'T ACCURATE BECAUSE THE TEACHER DID IT QUICKLY... 25.55g is...

Well? Anyone? All I want to do is find out the lifting force?

My teacher told me that I have to first change the mass (g) to kg then times that by 9.8... Will that give me the Lift force for everyone of them or do I have to do something else as well?

So what do i exactly do now? Original Mass: 25.55g Two Columns: 23.4 mass(g) - 7.7 Air speed(km/h) 22 mass(g) - 9.7 Air speed(km/h) 20.3 mass(g) - 12.1 Air speed(km/h) 19.2 mass(g) - 13.5 Air speed(km/h) 18.35 mass(g) - 13.7 Air speed(km/h) And I need to put these two columns into these two...

The original mass is 25.5g. The mass(G) we got were: 23.4 mass(g) - 7.7 Air speed(km/h) 22 mass(g) - 9.7 Air speed(km/h) 20.3 mass(g) - 12.1 Air speed(km/h) 19.2 mass(g) - 13.5 Air speed(km/h) 18.35 mass(g) - 13.7 Air speed(km/h) I needed to find the lifting force and the Speed in m s-1 So...

So we need to make a practical report and I'm not sure how to do it. I've learned the basics like lift equals weight and thrust equals drag.. and then the teacher made a model wind tunnel in class, we then got air speed(km/h) and its mass(g) etc. for it then we had to convert them to life and...

The thing I don't understand is how does finding out the median help you drawing in the horizontal and vertical lines. How do you know if it's going to pass through a few of the data points? Like in the example on that website it has a moderate negative correlation and the median is the 8'th...

Could you please help me understand how these terms relate to one another? Scalar, Vector, Displacement, Distance, Speed, Velocity, Accelaration, Position? So Distance is a scalar Quantity, what is a Scaler? Displacement is a vector quantity, what is a Vector? Is velocity just the unit...