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Your telescope has an objective lens with a focal length of 1.1 meter. You point the telescope at the moon, only to realize that the eyepiece is missing. Even so, you can still see the real image of the moon formed by the objective lens if you place your eye a little past the image so as to view the rays diverging from the image plane, just as rays would diverge from an object at that location.
Determine the angular magnification of the moon if you view its real image from 25 centimeter away, your near-point distance?
Two identical uniform poles of mass 50 kg and linear mass density 15 kg/m are supported by pivots 2 m apart on level ground. what angle do the poles make with the vertical
A mechanic pushes a 2.4 103 kg car from rest to a speed of v, doing 5100 J of work in the process. During this time, the car moves 29.0 m. find the speed v and horizontal force exerted on the car
A 0.50 kg ball that is tied to the end of a 1.30 m light cord is revolved in a horizontal plane with the cord making a 30° angle, with the vertical. If the cord can withstand a maximum tension of 9.5 N, what is the highest speed at which ball can ..
As the refrigerant passes through the compressor, heat transfer to the surrounding occurs at a rate of 0.32 kJ/s. Determine at steady state the power input to the compressor, in kW.
What practical application can we expect from particle physics a century or two from now? What use can we make of quark-gluon plasmas or strange quarks? How can we harness W- and Z-bosons or the Higgs boson?
A 6.6cm diameter horizontal pipe gradually narrows to 5.6cm . When water flows through this pipe at a certain rate, What is the volume rate of flow
A rectangular plate has a length of (20.4 0.2) cm and a width of (8.7 0.1) cm. Calculate the area of the plate
A 83.55kg woman walked a 5k race in 53.33 minutes. How much power did it take to complete the race
An Earth satellite moves in a circular orbit 646 km above Earth's surface with a period of 97.44 min. What are (a) the speed and (b) the magnitude of the centripetal acceleration of the satellite?
The length of a simple pendulum is 0.65 m and the mass of the particle (the "bob") at the end of the cable is 0.26 kg. What is the angular frequency of the motion
A car is driven 125.0 km west and then 65.0 km southwest. What is the displacement of the car from the point of origin (magnitude and direction).
A 2 kg block is connected into a spring attached to a wall with spring constant of 12 N/m. How far does the block travel before coming to rest
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