On a cold day, the speed of sound in air is 330 m/s. a note with a frequency of 1,320 hz is played on an instrument. what is the wavelength of that sound wave?

Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) sketch the trajectory using an appropriate coordination system. b) how long for the projectile to reach the ground. c) how far did projectile travel horizontally before striking the ground. d) determine the projectilex & y position at t-1.3s e) determine the magnitude and direction of projectile velocity at t= 1.3s f) determine the magnitude and direction of projectile acceleration at t-1.3s

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2