Dr. John Paul Stapp was U.S. Air Force officer who studiedthe effects of extreme deceleration on the human body. OnDecember 10, 1954, Stapp rode a rocket sled, acceleratingfrom rest to a top speed of 282 m/s (1015 km/h) in 5.00 s, andwas brought jarringly back to rest in only 1.40 s! Calculate his(a) acceleration and (b) deceleration. Express each inmultiples of g (9.80 m/s2) by taking its ratio to theacceleration of gravity.

Question

Dr. John Paul Stapp was U.S. Air Force officer who studied
the effects of extreme deceleration on the human body. On
December 10, 1954, Stapp rode a rocket sled, accelerating
from rest to a top speed of 282 m/s (1015 km/h) in 5.00 s, and
was brought jarringly back to rest in only 1.40 s! Calculate his
(a) acceleration and (b) deceleration. Express each in
multiples of g (9.80 m/s2) by taking its ratio to the
acceleration of gravity.

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