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
Express each in multiples of by taking its ratio to the acceleration of gravity.
A) The formula for acceleration is
Substituting the given values
B) The deceleration is
In expressing the computed values in terms of g, we just divide them by 9.80.
The acceleration is
The deceleration is
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