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A blast blows a rock straight up at 150 ft/sec. The path of the rock is described by the s(t) = 150t-16t^2 where s is measured
1. 1 answer
2. 576 views
1. The problem statement, all variables and given/known dataa ball is thrown straight down from the top of a 220 feet building
1. 1 answer
2. 2,111 views
An airplane has an airspeed of 150 km/hr. It is to make a flight in a direction of 70 degrees while there is a 25 km/hr wind
1. 1 answer
2. 1,308 views
A hot hair balloon is rising vertically 20 ft/sec while the wind is blowing horizontally at 15 ft/sec. Find the speed v of the
1. 2 answers
2. 1,086 views
an engineer designs a satellite dish with a parabolic cross section. The dish is 15 ft wide at the opening and the focus is
1. 2 answers
2. 3,445 views

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