Question

A ball was thrown with an initial velocity of 25m/s at an angle 30 degrees above the horizontal. Find:
a) the time the ball was in the air
b) the range of the flight of the ball

** I really have no idea how to solve this one. Can anybody explain the formulas to be used? D:

Answer 1

tr=u^2sin2x/g where x is angle of inclination u is initial speed

Answer 2

tr=range

Answer 3

t-2usinx/g

Answer 4

this is projectile motion

Answer 5

formulae can be derieved

Answer 6

but i dont have time now!lol
we will derive it together later

Answer 7

Lol okay, thanks though :)

Answer 8

R=U^2sin2y/g where R=range y=angle of incidence
T=usiny/g where u=initial velocity g=acceleration due to gravity