Light traveling through air strikes the surface of the four different materials shown. which material reflects light but does not refract it?
1. diamond
2. water being poured
3. triangular glass prism
4. 2 silver spoons
plz

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?