In this excerpt from “an episode of war” by stephen crane, why does the doctor promise not to amputate the lieutenant’s arm?
2 answers:
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Answer:
(a) d = 15.6 m
(b) v' = - 4.3 m/s
Given:
Initial velocity, v = 9.50 m/s
Acceleration, a = or deceleration = 2.30
Solution:
(a) For the calculation of the distance covered, we use eqn (2) of motion:
where
d = distance covered in time t
t = 6 s (Given)
Now,
d = 15.6 m
(b) For the calculation of her final velocity, we use eqn 1 of motion:
v' = v + at
v' = 9.50 + (- 2.30)(6) = - 4.3 m/s
(c) Since, the final velocity after the body slows down comes out to be negative and the distance covered and displacement of the body are different, it does not make sense.