Projectile Motion of golf chip shot

[bkoiskewl1]

Homework Statement

A golfer wishes to chip a shot into a hole 60 m away on flat level ground. If the ball sails off at 50°, what speed must it have initially? Ignore aerodynamic effects.

Homework Equations

xf = xi + vxi(t)
vx = vi(cos)angle

The Attempt at a Solution

How would I plug this in>

 

[hage567]

How would I plug this in>

Into what?

You need one more equation. One that describes the vertical direction.

 

[bkoiskewl1]

yf = yi + vyit + (1/2)at^2

this??

 

[hage567]

Yes, that one will work.