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A converging lens (f = 22.5 cm) is used to project an image of an object onto a screen. The object and the screen are 135 cm apart, and between them the lens can be placed at either of two locations. Find the two object distances. (Enter your answers from smallest to largest.)
An object is placed in front of a converging lens in such a position that the lens (f = 14.0 cm) creates a real image located 26.0 cm from the lens. Then, with the object remaining in place, the lens is replaced with another converging lens (f = 19.0 cm). A new, real image is formed. What is the image distance of this new image?
A flywheel with a radius of 0.310m starts from rest and accelerates with a constant angular acceleration of 0.660rad/s2, Compute the magnitude of the tangential acceleration, the radial acceleration
A bag of cement weighing 275 N hangs in equilibrium from three wires as suggested in the figure below. Two of the wires make angles θ1 = 56.0° and θ2 = 42.0° with the horizontal. Assuming the system is in equilibrium, find the tensions T1, T2,..
Given two masses, m1 = 18 kg and m2 =12 kg, m1 is moving with avelocity v1 colliding with m2, which is suspended by a string of length 7 m. The two masses are stuck together as the result of thecollision. The compound system swings to the right, p..
Find the force exerted by reflecting sunlight off a reflecting aluminum sheet in space if the area normal to the sunlight is 5000 m^2 and the solar intensity is 2500 W/m^2
A 0.54 kg banana is thrown directly upward with an initial speed of 3.1 m/s and reaches a maximum height of 0.47 m. What change does air drag cause in the mechanical energy
The flywheel of a steam engine runs with a constant angular speed of 165 rev/min. When steam is shut off, the friction of the bearings and of the air brings the wheel to rest in 2.30 h. What is the constant angular acceleration of the wheel, in rev/m..
A body is in motion at 1.0 m/s less than the speed of light. What is the Lorentz factor of this body
a bridge is made with segments of concrete 94 m long at the original temperature. if the linear expansion coefficient
a nasa mission to update the electronics on a circular orbiting space station has required the work of four astronauts.
A uniform electric field exists in the region between two oppositely charged plane parallel plates. Find the speed of the electron when it strikes the second plate
A converging lens (f = 14.9 cm) is located 24.6 cm to the left of a diverging lens (f = -7.07 cm). Locate the final image of the stamp relative to the diverging lens
A spring is resting vertically on a table. A small box is dropped onto the top of the spring and compresses it. What is the magnitude of the spring's displacement when the spring is fully compressed
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