How long rock takes the rock to hit ground
The rock falls off the building, and its position after t seconds of free fall is 269-16t2 feet above ground. Building is 269 feet tall.
i. Determine rock's velocity at t=3 seconds?
ii. How long it takes the rock to hit ground?
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The rock falls off the building, and its position after t seconds of free fall is 269-16t2 feet above ground. Building is 269 feet tall. Determine rock's velocity at t=3 seconds?
The aircraft flies the certain distance on the bearing of 135 degree and then twice distance on the bearing of 225 degree. Its distance from starting point is then 350km. Determine length of first part of journey.
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Four laboratories are being employed to carry out chemical analysis. Samples of same material are sent to the laboratories for analysis as part of the study to determine whether or not they give, on average, the same results. Suppose the distribut
Suppose that adults have IQ scores which are normally distributed with a mean of 105 and a standard deviation of 15. Find the percentage of adults that have an IQ exceeding 116. Round your answer to the nearest integer.
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