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A plane mirror is located at the origin. A converging lenswith focal length 5.00 m is located at x = 1.0 m. An object isplaced at x = 31.0 m.
What is the location of the final image, as seen by anobserver looking toward the mirror through the lens? x=_______m.
What is tension in the cord
A mass m is connected to the bottom of a vertical spring whose force constant is k. Attached to the bottom of themass is a string that is connected to a second mass m, asshown in the figure . Both masses are undergoing simple harmonicvertical moti..
A long straight metal wire of radius r1= 3.10E-2 m is surrounded by a metalic cylindrical shell of inner radius r2= 1.19E-1 m and outter radius r3= 1.81E-1 m. The axes of the wire and the cylindrical shell coincide.
A rescue plane flies horizontally at a constant speed searching for a disabled boat, If it takes the sound 2.10 s to reach the plane, determine the speed of the plane and What is its altitude
A paratrooper pilot fell 360 m after jumping without his parachute opening. He landed in a snow bank, creating a crater 1.50 m deep, but survived with only minor injuries. Assume the pilot's mass was 80 kg and his terminal velocity was 50 m/s.
A 5 g bullet with speed of 400m/s gets stuck in a 1 kg wooden block (originally not moving). Classify the collision. (b) Find the new speed of block+bullet. (c) Find the amount of kinetic energy lost. Where does it go?
A cue ball, which has a mass of 0.17 kg, collides head on with a stationary 8 ball, what was the speed of the cue ball before and after collision
A certain thin, uniform rod has a mass of 2 kg and length 3 m. To what shorter length must you trim it (discarding the smaller part) so that the remaining length has half the original moment of inertia about its end.
A certain toaster has a heating element made of Nichrome resistance wire. What is the final temperature of the heating element
A 75 g chunk is heated to 100 Celsius and the dropped into 0.5 Kg of water initially at 22 Celsius. What is the final temperature of the chunk of metal
A 15m long rope of m=1.8kg is stretched such that the tension in the rope is 25N. calculate the displacement of a particle in the rope at t=10s, when the wave is at x=0.5m
Pennies today are copper-covered zinc, What are the total positive charge and total negative charge in a solid copper penny that is electrically neutral
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