4 meters and the frequency is 3 hz what’s the wave speed

Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical