Motion at a constant speed
In moving a 38.0 desk from one side of a classroom to the other, a professor finds that a horizontal force of 285 is necessary to set the desk in motion, and a force of 190 is necessary to keep it in motion at a constant speed.
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If the random variable has the normal distribution µ = 62.5 and ?2 = 100, find the probabilities that it will take on a value less than 84.9, greater than 48.6 and between 55.3 and 81.2.
Why has the dehydration of cyclohexanol to cyclohexene been the traditional experiment to illustrate the acid-catalyzed dehydration of an alcohol to an alkene?
The velocity of propagation of a transverse wave on a 2-m long fixed at both ends is 200 m/s. Which one of the following is not a resonant frequency of this string?
Two-dimensional, steady flow in the neighborhood of a planar stagnation point (located at x=0, y=0) is described by the following velocity components. Obtain an expression for the pressure field, p(x,y), in the neighborhood of this stagnation point
Determine the distance h it must descend for it to reach a speed of v2 = 2 m/s. Also, what is the angle of descent theta, that is, the angle measured from the horizontal to the tangent of the path.
Diamond has a face-centered cubic unit cell, with four more Catoms in tetrahedral holes within the cell. Densities of diamondsvary from 3.01 g/cm3 to 3.52 g/cm3 because Catoms are missing from some holes.
A square loop of wire with sides of length 40 cm experiences a uniform magnetic field perpendicular to its area. (a) If the field's strength is initially 100 mT and it decays to zero in 0.010 s, what is the magnitude of the average emf induced in
An elevator starts from the 1st floor with 8 passengers and may stop at the 2nd or the 3rd floor or both. Suppose that each passenger may get out of the elevator at either of the 2nd or the 3rd floor. Note that 8 passengers are different. How many
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