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Question: Solve the given problems.
If a block is placed on a plane inclined with the horizontal at an angle θ such that the block stays at the same position, the coefficient of friction µ is given by µ= tan θ Use differentials to find the change in µ if θ changes from 18° to 20°.
your submarine is "safe" when it is below y=-300meters. At time t=0, was your submarine safe? explian how you know. for t
With one method called acceptance sampling, a sample of items is randomly selected without replacement and the entire batch is acepted if everyitem in the sample is okay
In 1996 the mean monthly bill for cell phone users was $45.70 with a standard deviation of $22. In 1997 the mean monthly bill for cell phone use for a sample of 41 phone bills was $42.40. At the 5% significance level, is there sufficient evidence ..
Starbucks cashiers take thousands of orders each day. Samples of the accuracy in the orders are listed below. One hundred orders taken by each cashier were carefully examined and the number of errors counted.
Find the curvature and radius of curvature of the plane curve at the given value of x. (Give your answers correct to 3 significant figures.) y = 5x + 2/x, x = 3.
The parabola y= x^2+4 has two tangents which pass through the point (0,-2). One is tangent to the parabola at (a, a^2+4) and the other at (-a, a^2+4) where a is a certain positive number. The question is a=?
Two masses of 14 kg and 7 kg are connected by a light inextensible string passing over a pulley and the system starts from rest and moves for 3 sec, when the string breaks.Find after what further interval of time the smaller mass comes to its orig..
The Hill of Tara in Ireland is a place of great archaeological importance. This region has been occupied by people for more than 4,000 years. Geomagnetic surveys detect subsurface anomalies in the earth's magnetic field. These surveys have led to man..
Show that f ∉ R ([0, 1]). Find a nonconstant monotonically increasing function g on [0, 1] such that f ∈ R ([0, 1], g), and provide a proof for your assertion
Find the sum of the first eight terms of the geometric progression 1/2 , 1, 2, 4, 8, . . . .
What conclusions can you reach concerning the benefit programs?
A woman exerts a horizontal force of 10 pounds on a box as she pushes it up a ramp that is 7 feet long and inclined at an angle of 30 degrees above the horizontal.
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