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The distance between the eyepiece and the objective lens in a certain compound microscope is 24.5 cm. The focal length of the objective is 0.460 cm, and that of the eyepiece is 1.40 cm. Find the overall magnification of the microscope. (The near point of the eye is 25 cm. Assume that the object is placed at the focal point of the objective lens, and one places the eyepiece at the near point of the eye.)
Two blocks, m1=1.0kg and m2=2.0kg are connected by a light string over a pulley. what is the acceleration of the system
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, Determine the rotation rate, in revolutions per second, required to give the astronaut a centripetal acceleration of 19.8g
A student pushes a loaded sled whose mass m is 240kg for a distance d of 2.3m over the frictionless surface of a forzen lake. if the sled starts from rest, what is its final velocity
A projectile is fired with an initial speed of 113 m/s at an angle of 60 degrees above the horizontal, from the top of a cliff which is 49.0 meters high. determine time to reach maximum height
A diverging lens (f = -12 cm) is located 20.0 cm to the left of a converging lens (f = 34.5 cm). A 3.00 cm tall object stands to the left of the diverging lens, exactly at its focal point.
A sphere consists of a solid wooden ball of uniform density 800 and radius 0.20 and is covered with a thin coating of lead foil with area density 20.
A charge of 3.0 uC(micro C) and a second charge are initially far apart. find the magnitude of the unknown charge
A 60.0-kg runner expends 360 W of power while running a marathon. determine the volume of bodily fluid (assume it is water) lost per hour
A water slide launches a child horizontally above a swimming pool. How far from the launch point does the child land in the water
A 6-kg bucket of water is being pulled straight up by a string at a constant speed. What is the tension in the rope
To construct a solenoid, you wrap insulated wire uniformly around a plastic tube 14cm in diameter and 60cm in length, What is the total length of wire you will need to meet these specifications
A hoop (I = MR^2) of mass 2.0 kg and radius 0.50 m is rolling at a center-of-mass speed of 15 m/s. What is the new speed of the center of mass of the hoop?
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