Friend is far-sighted with the near-point distance
Your friend is far-sighted with the near-point distance of 377 cm. What must the focal length be for the lenses in his reading glasses? Suppose the glasses are positioned 2.0 cm in front of the eyes.
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A particle of mass m travels on the positive x-axis, beneath the influence of the conservative force having potential energy: V(x) = V0 e-ax. (i) Illustrate the force in words.
Cans are being stacked on the supermarket shelf. There are 28 cans on bottom row and 4 cans on top row. If there are 15 cans and every row is smaller than one below it by same number of cans, determine number of cans?
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An archer's bow is drawn at its mid-point till the tension in the string is 1.02 times the force applied by the archer. Determine the angle between the two halves of the string?
Express trigonometric function in terms of x. Then estimate if x=0.9865. sec (theta), if sin (theta) =x and (theta) is obtuse.
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If the person with weight W bends at waist with the straight back then force F exerted by lower back muscles. Determine value of theta which will cause the 120 pound person's back muscles to exert the force of 50 pounds.
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