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Question: Average speed of a highway vehicle the average speed of a vehicle on a stretch of route 134 between 6 a.m. And 10 a.m. On a typical weekday is approximated by the function
f(t) = 20t - 40√t + 50 (0 ≤ t ≤ 4)
Where f(t) is measured in miles per hour and t is measured in hours, with t = 0 corresponding to 6 a.m. Find the interval where f is increasing and the interval where f is decreasing and interpret your results.
A third one is added. when all three are used, it pushes 950 items in 3 minutes. How long would it take the third belt to push 950 items if it was by itself?
Two balls of same mass are projected one vertically upwards and the other at angle 60o with the vertical. Find the ratio of their potential energy at the higest point.
How many bit strings of length 7 are there? Explain. How many bit strings of length 7 are there which begin with a 0 and end with a 1? Explain. How many bit strings of length 7 is there that contain an even number of ones? Explain.
a 0.151 kg baseball is pitched with a velocity of 43.1 m/s. ignoring air resistance what is the baseballs momentum after being pitched.
A worker on scaffolding 75 ft above the ground needs to lift a 450 lb bucket of cement from the ground to a point 20 feet above the ground by pulling on a rope weighing 5 lb/ft. How much work is required?
An automobile manufacturer has discovered that 20% of all the transmissions it installed in a particular style of truck one year are defective. It has contacted the owners of these vehicles and asked them to return their trucks to the dealer to ch..
List the factors which would tend to reduce the variation of a prediction from a simple linear regression.
an airplane is flying at an altitude of 50 000 ft. if the radius of the earth is about 4 000 miles find the distance
SPENDING METHODS In a survey on consumer-spending methods conducted in 2006, the following results were obtained.
a person purchased some bags of insulation for $1000.if she had purchased 5 more bags for the same sum,they would have cost 12 cent less per bag.how many did she buy?
Imagine that you have been asked to create a one-day workshop for other adult learners that best fits the title "Algebra with Applications: The Essentials Presented in One Day". Create a hierarchy of five (5) of the most important topics that you bel..
Find a quadratic polynomial approximate solution to the BVP using the collocation method with the collocation point at the centre of the domain x1 = 1.
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