ali goes for cycle ride. he starts at 3pm . he finished at 5 38pm .he has a total of 25 minutes rest during the ride. how long h
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we can use height formula
where
h(t) is the height after t seconds
v is velocity
h(0) is initial height
g is acceleration due to gravity
we know that
g=32 ft/s^2
we have
v=18.5ft/s
h(0)=4.5ft
so, we can plug these values
and we get
now, we have to find time when object will hit the ground
and we know that object will hit the ground when height becomes 0
so, we can set h(t)=0
and then we can solve for t
we can use pythagoras theorem
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