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A microscope with a magnification of 1000 using a converging lens with a focal distance of 1.5 cm for the objective. The tube length given to you is 30 cm long. What should the focal distance of the eyepiece be if you want the eyes to be relaxed while observing with this microscope? let a near point of 25 cm.
A small container of water is placed on a carousel inside a microwave oven, at a radius of 14.0 cm from the center. What angle does the water surface make with the horizontal
A uniform rod of mass 3.30×10?2kg and length 0.360m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the system at the instant when the rings reach the ends of the rod
A 1.95 kg mass attached to a spring oscillates with a period of 0.390 s and an amplitude of 17.0 cm. Find the total mechanical energy of the system
A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 13.1 rpm in 10.7 s. what force is required at the edge
A 10.7 kg bucket of water is suspended by a very light rope wrapped around a solid uniform cylinder 0.32 m in diameter with mass 14.2 kg. Calculate the torque due to the bucket of water
An incident beam of photons is scattered through 138.5° the wavelength of the scattered photons is 124.66 pm. What is the wavelength of the incident photons
What is the temperature of the outside air. What are the components of the displacement vector from camp to summit? What is its magnitude? select the x axis east, y axis north, and z axis up.
A helium-neon laser (? = 630 nm) is used in a single-slit experiment with a screen 7.5 m away from the slit. If the slit is 0.8 mm wide, what is the width of the central bright fringe on the screen
A stationary radar operator determines that a ship is 17 km south of him. An hour later the same ship is 21 km southeast. If the ship moved at constant speed and always in the similar direction, what was its velocity during this time.
High voltage power lines are made of aluminum and often start with an electric potential of around half a million volts and can carry as much as 10,000 Amps of current
A 1.83 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.442 and the coefficient of kinetic friction is 0.240. How much force is needed to begin moving the book
then collides with a spring whose spring constant is 250 N/m. angle is 30 degrees. Illustrate what is the maximum compression of the spring?
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