Recent content by hds29ka

Homework Statement An item is dropped from a building and its equation is given by s(t)=5t^2 0<(or equal to)t<(or equal to)5. 1.)Draw a graph of this. 2.)Find the height of the building. The person performing the experiment wishes to calculate the speed at which it hits the ground...

Greetings, Note:I am in my eleventh year of school, thus not into 'real' calculus yet; or in university, for that matter. I was wondering if someone may have some practice questions-fore me attempt, on the following sub-headings: straight line graphs Quadratics cubics/root functions...

Would I be correct?

Homework Statement An object is magnified, by a factor; of 5, in a concave mirror. The mirror has a focal length of 20cm. Calculate ALL possible positions of the object. Homework Equations M=Hi/Ho=Di/Do M=V/U 1/F=1/V+1/U The Attempt at a Solution 1/20=1/V + 1/U -1U=20V/V U=-20...

Homework Statement Focal length of a concave mirror. This was an experiment, done in class. I was required to collect a light globe:(of course with a power source) for the object, paper:screen/image, and a concave mirror. I created the images, of the globe filament, to the screen...