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A man holds a double-sided spherical mirror so that he is looking directly into its convex surface, 35 cm from his face. The magnification of the image of his face is +0.13. What will be the image distance when he reverses the mirror (looking into its concave surface), maintaining the same distance between the mirror and his face? Be sure to include the algebraic sign (+ or -) with your answer.
A tennis ball of mass m = 60.0 g and speed v = 25.0 m/s strikes a wall at a 45º angle and rebounds with the same speed at 45º
A Ball Rolling Uphill. A bowling ball rolls without slippingup a ramp that slopes upward at an angle beta to the horizontal. What is the acceleration of the center of mass of the ball
a supply plane flies at 55ms and has a constant height of 250m towards a point directly above a victim where a crate is
The coil in a 60-Hz ac generator has 125 turns, each having an area of 3.0 × 10-2 m2 and is rotated in a uniform 0.12-T magnetic field
a geologist is camped 8,000 m from a volcano as it erupts. how much time elapses before the geologist the sound from the eruption
The maximum gauge pressure in a hydraulic lift is 15.0atm. What is the largest size vehicle (kg) it can lift if the diameter of the output line is 30.1cm
at a certain location in africa a compass points 12ordm west of the geographic north. the north tip of the magnetic
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.53x1011 m apart. What is the mass of the smaller star
A textbook of mass 2.10 rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.180 , to a hanging book with mass 2.92. find the mmoent of inertia of the pulley about its rotation axis
Water flows at 0.25{\rm L}/{\rm s} through a 12-m-long garden hose 2.0{\rm cm} in diameter that is lying flat on the ground. find the gauge pressure of the water where it enters the hose
Does the rod(with the attached ball of clay) rotate?
What is the resultant velocity of the lightning bug. find the force provided by the cable.
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