Give your insight regarding about context you read and answer 1.What is light 2.What is meant by light as having dual nature 3.Why do LED light are usually used than flourescent light

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 wave is the result of amplification and produces a louder sound

What is the period of a wave traveling 5 m/s if its wavelength is 20 m/s