How far away is the Moon?
A tennis ball would then have to be 110 x 6.7 cm = 7.37 meters (about 24 feet) from the basketball. That’s a lot farther than most people would think! So let’s ramp that up a bit. On this same scale, how far away do you think the Sun is? Don’t cheat!
Your Own Medallion Without Trigonometry, Part 1
Radius ... Before you do any cutting, draw the medallion on paper to scale: Using trammel points or a compass, draw a circle. Draw axis X and axis Y (two lines perpendicular to each other running through the center of the circle) Find your diagonals ...
Can Bird Poop Crack a Windshield?
If you would like to listen to this actual segment, here is the link to the Car Talk clip. What starting info do ... “poop”? That is my preferred word for the bird bomb. Ok, so how big would this be? If the poop is spread out in a circle of 4 inches ...
GPS Modules put Products on the Map
“What do ... see specs such as ‘accurate to 50 cm CEP,’ ‘accurate to 50 cm RMS,’ or ‘accurate to 50 cm 2DRMS.’ You must know how to analyze and convert between those different accuracy measures, because 50 cm CEP refers to the radius of a ...
Can bird poop crack a windshield?
A woman called in to Car Talk to say that she believes the windshield on her parked car was cracked from falling bird poop. Is this possible? Let's find out. If you ... contact circle to a radius of perhaps 0.001 meters. Such a small contact area could ...