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A spherical mirror is polished on both sides. When used as a convex mirror, the magnification is +1/5. What is the magnification when used as a concave mirror, the object remaining the same distance from the mirror? Give your answer to three significant figures.
An object of mass 6.8 kg is attached to aspring of force constant 1720 N/m. Calculate the maximum velocity the object has during its motion
A quarterback claims that he can throw the football a horizontal distance of 183 m (200 yd). Furthermore, he claims he can do this by launching the ball at the relatively low angle of 30.0 degrees above the horizontal.
A conducting bar with a mass of 0.155 kg and a length of 16.0 cm is suspended touching two vertical electrical contacts which form an electric circuit with a battery that has an electric potential of 8.5 V. What is the resistance R that exists in t..
A 2000 kg car traveling at a speed of 23m/s skids to the halt on wet concrete where = 0.60. How long are the skid marks.
A 7.0mW laser beam has a circular cross section with diameter 0.80mm, What is the maximum radiation pressure that this laser can exert on a mirrored surface
A textbook of mass 2.08kg rests on a frictionless, horizontal surface. What is the tension in the part of the cord attached to the textbook
A spring with a spring constant of 1.5 * 10^2 N/m is attached to a 1.4 kg mass and then set in motion. What is the period of the mass-spring system
A bead of mass m is restricted to slide on a frictionless wire. The wire lies in a vertical plane and has the shape described by the equations
Find out the shear strain that results if a force of magnitude 5.00×105 is applied to the top square face of the plate, parallel to the side, and a force of equal magnitude is applied in the opposite direction to the bottom face of the plate as s..
A Ferris wheel rotating at 20 rad/s decelerates with a constantangular acceleration for -5.0 rad/s2. How many revolutions does it rotate before coming to rest
You are to make four straight-line moves over a flat desert floor,starting at the origin of an xy coordinate system andending at the xy coordinates (-135 m, 40 m). The xcomponent and y component of your moves are the following,respectively, in met..
A light ray is incident upon a plane interface between two materials. what is the refracted angle (in degrees) in that material
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