Spectators watch a bicycle stunt rider travel off the end of a 57.5 ramp, rise to the top of his trajectory and, at that instant, suddenly push his bike horizontally away from him so that he falls vertically straight down, reaching the ground 0.525 s later. How far (in m) from the rider does the bicycle land if the rider has a mass mrider = 71.0 kg and the bike has a mass m bike = 15.0 kg? Neglect air resistance and assume the ground is level. HINT m