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The objective lens of the refracting telescope at the Lick Observatory in California has a focal length of 57 ft.
1. What is the refractive power of this lens?
2. What focal length (mm) eyepiece would give a magnification of 1000× for this telescope?
A ball bearing rolls along a smooth horizontal tabletop, and crashes head-on into a second ball bearing of half its mass. find the velocity of the first ball bearing after the collision
Calculate the radius of an electron's orbit when it moves perpendicular to a magnetic field of 0.52 T with a speed of 6.15 x 105 m/s
A pair of slits separated by d = 1.30 mm is illuminated with light of = 610 nmwavelength and falls on a screen L = 2.00 m away. what was the minimum glass thickness
Light enters a polarizing apparatus at an intensity of 100 units, Determine the angle of rotation theta
During the spin cycle of your clothes washer, Find the angular displacement of the tub during a spin of 82.9 s
A pilot of mass 70kg pulls out of a dive following a circular path of radius 850m and at a speed of 200m/s. what is the force that the pilot feels
The fastest land animal is the cheetah, which runs at a constant speed of 101 km/hr. The second fastest is the antelope, How far will the cheetah have travelled by this time
A lens for a 35 millimeter camera has a focal length given by f =61 millimeter. Compute the magnification of the image on the film
A helicopter is moving horizontally to the right at a constantvelocity. The weight of the copter is 53800 newtons. what is the magnitude of the lift force
Red light of wavelength 670.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
When a 65-kg person climbs into a 1000-kg car, the car'ssprings compress vertically by 2.8 cm. What will be the frequency of vibration when the car hits a bump
When responding to sound, the human eardrum vibrates about its equilibrium position. Find what is the maximum acceleration of the eardrum
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