How far should you place the lens from the slide
A slide projector needs to create a 98-cm-high image of a 2.0 cm slide. The screen is 300 cm from the slide. What focal length does the lens need? Assume that it is a thin lens. How far should you place the lens from the slide?
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Find the 80th percentile of the pecan tree height distribution. If a random sample of 64 pecan trees is selected, what is the standard deviation of the sample mean?
The fifth-order maximum of the unknown wavelength exactly overlaps the third-order maximum of the red light. What is the unknown wavelength?
Because the confidence interval limits _______ zero, there ____ a significant difference between the successes rates of the men and women tennis players.
A clump of soft clay is thrown horizontally from 8.50 m above ground with a speed of of 20.00 m/s. Where is the clay after 1.50 s? Assume it sticks in place when its hits the ground?
What is the number of trials (n), probability of successes (p) and probability of failures (q), respectively? Find the probability that she returns at most 8 of the 10 serves from her opponent.
A uniform current density of 2.0 Amps/m**2 is flowing down a cylindrical region of radius 3.0 meters. a) Use Ampere's law to find the B field as a function of cylindrical radius r from the center of the cylinder.
Consider an 8-month European put option on a Treasury bond that currently has 14.25 years to maturity. The current cash bond price is $910, the exercise price is $900, and the volatility for the bond price is 10% per annum.
If 3.43 moles of this gas undergoes isothermal expansion at T = 216K from a volume of 1.00 m³ to 3.00 m³, calculate the work done by the gas.
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