Can someone help me with these questions please. I will mark brainliest

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

Aregular polygon has angkes of size 150° each.how many side has the polygon

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.