A projectile is fired from the ground level with initial velocity of 90m/s at an angle of 36degre from horizontal. find the magnitude and direct of projectile 5 secs after firring

Answer 1

u = 90 cos 36
v = 90 sin 36 - 9.8 t

magnitude = sqrt (u^2+v^2)
tan angle above horizontal = v/u

Answer 2

Whats the earth's gravitational field strenghth