v = (2 pi R/4) / 2.1 = pi R/(4.2)
Ac = v^2/R
F = mAc = m v^2/R
A 95 kg halfback makes a turn on the football field. The halfback sweeps out a path that is a portion of a circle with a radius og 12 meters. The halfback makes a quarter of a turn around the circle in 2.1 seconds. Determine the speed, acceleration and net force acting upon the halfback
2 answers
lkjn