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An object is located 40 centimeter in front of a lens of focal length 40 centimeter. A second lens is placed 17 centimeter beyond the first. An image forms 48 centimeter past the second lens. Estimate the lateral magnification of this system?
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 42.3 J and a maximum displacement from equilibrium of 0.259 m, Find the potential energy stored in the spring when x = 0.160 m
Assume that the coefficient of friction between your feet and the floor, while wearing socks, is 0.250. determine what distance will you slide before stopping
The lens of a slide projector with a focal length of 90.0 mm projects a slide onto a screen that is 15.0 m away. How far from the lens must the slide be placed to form a sharp image on the screen?(in cm)
A hypodermic syringe contains a medicine with the density of water (see figure below). The barrel of the syringe has a cross-sectional area of 2.50 x 10^-5 m2. In the absence of a force on the plunger, the pressure everywhere is 1.00 atm.
A particle with a charge of ? 3.00?C is placed at the point P described in part A. What is the direction of the force exerted by the particle
A juggler performs in a room whose ceiling is 3.0 m above thelevel of his hands. He throws a ball upward so that it just reachesthe ceiling. What is the time required for the ball to reach the ceiling
A uniform helicopter rotor blade is 7.40 meter long and has a mass of 110 kilogram, and is attached to the rotor axle by a single bolt. Find the magnitude of the force on the bolt from the axle when the rotor is turning at 320rev/min
the storage battery of a car has an emf of 12 v. if the internal resistance of the battery is 0.4 omega what is the
Can pure blue-violet light with a wavelength of 400 nm and orange light with a wavelength of 600 nm both reflect off the two surfaces of a thin sheet of glass in air at normal incidence with maximal constructive interference? If so, for what thicknes..
A vacuum cleaner belt is looped over a shaft of radius 0.44cm and a wheel of radius 1.50cm. What is the speed of a point on the belt
a major-league pitcher can throw a baseball in excess of 45.7 ms. if a ball is thrown horizontally at this speed how
a 35 kg boy sits atop a sphere of frictionless ice of radius r=2.0m. He begins to slide and eventually falls off. How far above the ground does he lose contact with the ice
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