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A company's revenue from car sales, C (in thousands of dollars), is a function of advertising expenditure, a, in thousands of dollars, so C = f(a).
(a) What does the company hope is true about the sign of f'?
(b) What does the statement f'(100) = 2 mean in practical terms? How about f'(100) = 0.5?
(c) Suppose the company plans to spend about $100,000 on advertising. If f'(100) = 2, should the company spend more or less than $100,000 on advertising? What if f'(100) = 0.5?
Determine the maximun wavelength of incident radiation that can be used to remove the remaining electron from a singly ionized helium atom He+ (z= 2)
Explain the various thermodynamic principles behind solar refrigeration (Such as 1St law of thermodynamics, 2nd law of thermodynamics...) with equations
A 1.10 kg water balloon is shot straight up with an initial speed of 4.10 m/s. What is the kinetic energy of the balloon just as it is launched
The distance between the objective and eyepiece lenses in a microscope is 25\; cm. What is the total linear magnification for the microscope
A vertical spring (ignore its mass), whose spring constant is 895 N/m, is attached to a table and is compressed down by 0.150 meter. Determine how high above its original position (spring compressed) will the ball fly
An infinitely long cylinder of radius R has a uniform charge density distributed throughout the volume. You can either call this a uniform volume charge density ρ(C/m3) over differential piece of volume dV, or a constant linear charge density λ(C/..
You wish to design a telescope using an objective lens with f(objecive) = 0.75 m. If you use an eyepiece with a magnification of 20, what is the length of the telescope
A particle rotates in a circle with a centripetal acceleration of 9.81 meters per second squared. what is the new centripetal acceleration in terms of the original value
A 0.70 Kg block is hung from and stretches a spring that is attached to the ceiling. A second block is attached to the first one, and the amount that the spring stretches from its unstrained lenght triples. What is the mass of the second block?
A projectile is launched straight up at 59.5 m/s from a height of 76 m, at the edge of a sheer cliff. Find the maximum height of the projectile above the point of firing
The specific gravity of the paint is SG = 1.1 and its viscosity is μ = 2 × 10-2 lb · s/ft2. Estimate the power required to drive the mixer if the induced motion of the liquid is neglected.
A 1.80-kg rock is released from rest at a height of 18.0 m. Ignore air resistance and determine(a)the kinetic energy at 18.0 m,(b)the gravitational potential energy at 18.0 m,(c)the total mechanical energy at 18.0 m,(d)the kinetic energy at 0 m,(e)th..
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