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Answer:
(a)
(b)
(c)
Step-by-step explanation:
(a) when t = 44sec
s(44) ≅
(b) How fast the hammer is traveling i.e. the speed of the hammer.
To find speed, we differentiate the distance s(t) with respect to time, t
at t = 44sec,
≅
(c) The hammer's acceleration can be obtained by differentiating the speed v(t) with respect to time, t
There's no need to substitute t = 44sec because the acceleration is independent of time.