Astronomical telescope having a objective lens
An astronomical telescope has an objective lens with a focal length of 102 cm and an eyepiece with a focal length of 18cm. When used to view and object that is far far away, such as a star, what is its angular magnification?
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About the origin, what are (a) the particle's angular momentum, (b) the torque acting on the particle, and (c) the rate at which the angular momentum is changing?
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A supermarket receives a shipment of 20,000 cans of beans. The supermarket picks a random sample 100 cans and finds their weights. If the mean of the weights of the cans in the shipment is known to equal 20, and the standard deviation of the weigh
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You observe that at one instant the box is sliding to the right at 1.75 m/s and that it stops in 2.25 s with uniform acceleration. The force that friction exerts on this box is closest to?
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