Free fall. When an object is dropped the distance it falls in t seconds, assuming negligible air resistance, is given by s ( t ) = 16 t 2 where s ( t ) is in feet. Suppose a medic’s reflex hammer falls from a hovering helicopter. Find (a) how far the hammer falls in 3 sec, (b) how fast the hammer is traveling 3 sec after being dropped, and (c) the hammer’s acceleration after it has been falling for 3 sec.
Free fall. When an object is dropped the distance it falls in t seconds, assuming negligible air resistance, is given by s ( t ) = 16 t 2 where s ( t ) is in feet. Suppose a medic’s reflex hammer falls from a hovering helicopter. Find (a) how far the hammer falls in 3 sec, (b) how fast the hammer is traveling 3 sec after being dropped, and (c) the hammer’s acceleration after it has been falling for 3 sec.
Free fall. When an object is dropped the distance it falls in t seconds, assuming negligible air resistance, is given by
s
(
t
)
=
16
t
2
where
s
(
t
)
is in feet. Suppose a medic’s reflex hammer falls from a hovering helicopter. Find (a) how far the hammer falls in 3 sec, (b) how fast the hammer is traveling 3 sec after being dropped, and (c) the hammer’s acceleration after it has been falling for 3 sec.
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