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An object is located to the left of a concave lens whose focal length is -40 {cm}. The magnification produced by the lens is m1 = 0.36. Calculate the distance through which the object should be moved.
The wires in a household lamp cord are typically 3.0 mm apart center to center and carry equal currents in opposite directions. Is the force attractive or repulsive
The power is off for 34.0 s and throughout this time the flywheel slows as a result of friction in its axle bearings. Throughout the time the power is off, the flywheel makes 180 complete revolutions.
Transverse waves with a speed of 59.0 m/s are to be produced on a stretched string. A 4.95-m length of string with a total mass of 0.0600 kg is used. (a) What is the required tension in the string? N (b) Calculate the wave speed in the string if t..
A truck has its front wheels (only) driven onto a scale and a reading of 3000 kg is obtained. How far is the center of gravity from the front wheels
A hydrogen atom consists of a single proton and a single electron. Experimentally it is found that it takes 13.6eV of energy to strip the electron from the proton. calculate the size of the hydrogen atom
Two plane mirrors stand facing each other, 2.79 m apart, and a woman stands between them. What is the position of the third closest image
A 4.90-kg ball, moving to the right at a velocity of +2.14 m/s on a frictionless table, Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic
To what distance x can a person who weighs 411-N walk on the overhanging part of the plank before it just begins to tip.
An infinitely long line of charge has linear charge density 4.00 10-12 C/m. A proton (mass 1.67 10-27 kg, charge +1.60 10-19 C) is 17.0 cm from the line and moving straight toward the line at 3000m/s.
A stone is dropped into a well. The sound of the splash is heard 2.30 s later. What is the depth of the well
The maximum transverse acceleration of a point at the middle of the segment is 8800 m/s^2 and the maximum transverse velocity is 3.50m/s.
An object with mass 5.0 kg originally moves with 4 m/s in the S direction on a horizontal surface and suddenly breaks into two pieces. What is the magnitude of the velocity of the second piece
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