Explain how series circuits use current and voltage and Explain how parallel circuits use current and voltage

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 best represents the law of conservation of mass ?

Notice how they put future which of the clouds shown would indicate a possible future rain storm? a) b) c) d)