The time it will take him to fall can be found from:-3m = -(g*t^2)/2
Find that time, it's the time the horse will travel horizontal while the cowboy is falling.So the horizontal distance away is 10 m/s * t
True as the independent variable is over the dependent variable and controls it as the dependent relies on the independent.
Particles can either have a positive or negative charge.
Gave him good advice to others