Magnification of the final image
Two convex lenses with focal lengths f1 = 6.0cm and f2 = 8.0cm are located 24.4cm apart. An object is located 13cm in front of the first lense. Calculate the distance from lense 2 to the final image and the magnification of the final image.
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If their velocities measured relative to the cart are 3ft/s to the right and 2 ft/s to the left, respectively, determine the velocity of the cart while they are walking. They are 20ft apart.
If the bead is released from rest halfway between the two plates, what is the speed of the bead when it hits one of the plates?
An AC generator consists of 6 turns of wire. Each turn has an area of 0.040m^2. the loop rotates in a uniform field (B=0.20T) at a constant frequency of 50 Hz. what is the maximum induced emf?
In a test of the effectiveness of a device that is supposed to increase gasoline mileage in automobiles, 12 cars were run over a prescribed course both with and without the device. The mileages are given below.
If the low temperature reservoir is held fixed at 300 K. what is the minimum temperature possible for the high temperature reservoir?
Estimate the minimum collector area that would be required for a plant producing 1 kW of useful shaft power. The atmospheric temperature may be assumed to be 20degreeC.
A 3-kg object moving to the right on a frictionless, horizontal surface with a speed of 2 m/s collides head-on and sticks to a 2-kg object that is initially moving to the left with a speed of 4 m/s. After the collision, which statement is true?
A student survey was done to study the relationship between gender and favorite television program watched on Sunday mornings (sports, news, or other). The chi-square test statistic was 8. What is the p-value or p-value range?
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Effectiveness studies typically feature well defined groups of patients, usually meeting diagnostic criteria for a chosen disorder but no others.
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