NFL player Gerald Sensabaugh recorded a 46 inch standing vertical jump at the 2005 NFL Combine, at that time the highest for any NFL player in the history of the Combine. Sensabaugh weighed about 200 lb when he set the record.
A) What was his speed as he left the floor?
B) If the jump motion took 0.304 s , what was the magnitude of his acceleration (assuming it to be constant) while he was pushing against the floor?
C) Free Body Diagram
D) Use Newton's laws and the results of part B and part C to calculate the normal force on his feet as he jumped.