What does this student most likely need to do in order to be better prepared to stay safe in a lab? take off the goggles
change into lighter shoes
wear different clothing
tie back her hair

Apiano tuner uses a tuner to create a tone of 5.00 x 10² hz. when a key on the piano is struck he hears 5 beats per second. what is a possible frequency of vibration for the piano string? 2500 hz 1300 hz 605 hz 495 hz

What are chlorofluorocarbons and what impact do they have on the atmosphere?

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone