Blanche, a 100 kg shot-putter, is putting the 4 kg shot in a track meet. Just before she releases the shot, Blanche is in the air (her feet are off the ground). At this instant, the only force she exerts against the shot is an 800 N horizontal force directed forward.
a. What is Blanche's horizontal acceleration at this instant?
b. What is Blanche's vertical acceleration at this instant?
c. What is the shot's horizontal acceleration at this instant?
d. What is the shot's vertical acceleration at this instant?