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Two thin lenses with a focal length of magnitude 15.0 cm, the first diverging and the second converging, are located 11.3 cm apart. An object 3.20 mm tall is placed 25.0 cm to the left of the first (diverging) lens. How far from this first lens is the final image formed? Is the final image real or virtual? What is the height of the final image? Is it erect or inverted?
A 1.30-kg ball, moving to the right at a velocity of +4.52 m/s on a frictionless table, collides head-on with a stationary 8.40-kg ball. Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic
A horizontal force does 50 J of work on a box, while the kinetic friction force, between the box and the floor, What is the cange inn the box's kinetic energy
A water pipe decreases in diameter from 16 cm to 8 cm. In the wider section the average velocity is 30.0cm/s. calculate the average velocity in the narrow section
A steel beam is placed vertically in the basement of a building to keep the floor above from sagging. Find the vertical compression of the beam
A car traveling 90km/h slows down at a constant 0.50 m/s^2 just by "letting up on the gas." Compute the distance it travels during the third second.
Since the circumference of a circle of radius r is 2p r, every time the center of mass moves a distance 2p r, the object rotates a full circle (2p radians). If this happens in a time T then. Combine these equations to find out an expression for ..
A total charge of 14 mC passes through a cross-sectional area of a nichrome wire in 1.4 s. I need to know how many electrons pass through the cross-sectional area in 23.0 s
A 2.00-kg package is released on a 53.1° incline, L = 3.93 m from a long spring with force constant 120 N/m, What is the maximum compression of the spring
An electric potential is set up across a pair of parallel plates such that the left plate is at -594 V, What is the kinetic energy of the electron when it reaches the hole in the right plate
A man of mass 76.5kg walks down the aisle of an airplane at a speed of 1.10 m/s in the forward direction while the plane moves at a speed of 280 m/s relative to the earth
Small particles suspended in the air have a v_rms = 2.8 x 10^-3m/s. What is the mass of one of the small particles
A jeweler examines a diamond with a magnifying glass. find the angular magnification when the diamond is held 5.39cm from the magnifying glass
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