Pls Help Its Timed What is the frequency of the 436 nm violet light emitted by the mercury atoms in a fluo-rescent light bulb? Answer in units of s −1

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!