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Two thin lenses of focal lengths f1 = 15.0 and f2 = 10.0 cm, respectively, are separated by 35.0 cm along a common axis. The f1 lens is located to the left of the f2 lens. An object is now placed 50.0 cm to the left of the f1 lens, and a final image due to light passing though both lenses forms. By what factor is the final image different in size from the object?
A) .600B) 1.20C) 3.6D) None
Let the masses of blocks A and B be 4.0 kg and 2.0 kg, in that order, the moment of inertia of the wheel about its axis be 0.400 kg*m^2, and the radius of the wheel be 0.140 m. Find the linear accelerations of block A if there is no slipping between ..
A light ray is incident upon a plane interface between two materials. The ray makes an incident angle with the normal to the surface of 39 degrees in a material, find thev refracted angle (in degrees) in that material
a wire forms a semicircle of radius r 7.10 cm and two radial straight segments each of length l 13.1 cm. the wire
A puck with mass m = 0.18 kg slides along a frictionless horizontal surface at v = 6.3 m/s . It hits and sticks to the free end of a spring with k = 18 N/m, Find the period of the subsequent simple harmonic motion
As a positron moves through a region of space, its speed increases from 2.80 106 m/s to 8.00 106 m/s. Across what potential difference did the positron travel
A basketball player with a body weight of 850 N exerts a force of -4500 N against the ground during takeoff (jumping upward). How much force does the ground exert on the basketball
A particle with a mass of 3.50 10-20 kg is oscillating with simple harmonic motion with a period of 3.50 10-5 s and a maximum speed of 1.50 103 m/s. Calculate the angular frequency of the particle
An eagle is flying due east at 8.9 m/s carrying a mouse in its legs. What is the magnitude of the mouse's velocity as it reaches the ground
1. explain qualitatively how it is possible for the electric field at locations near the center of a uniformly charged
To push a 56.0-kg crate up a frictionless incline angled at 34.0° to the horizontal, a worker exerts a force of 484 N parallel to the incline. What work is done on the crate by the worker
A narrow beam containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 2.60 cm thick flat piece of crown glass and back to air again. At what angles do the the two colors emerge from the glass
A child is playing by jumping on a bathroom scale. The mass of the child is 31 kg and when he stands on a bathroom scale, the spring inside the scale compresses 0.46 mm. what is the maximum height the child can jump on the scale
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