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An amusement park ride called the Rotor consists of a room in theshape of a vertical cylinder (1.98 m inradius) which, once the riders are inside, begins to rotate,forcing them to the wall. When the room reaches a speed of onerotation every 1.56 s, the floor suddenly drops out. What is the minimum coefficient of static friction between riders and wall necessary to prevent them from sliding down the wall?
how far from the edge f the dock can theboy move until the plank is just on the verge of tipping? Explain how can the boy test this conclusion without falling in the water?Explain
A double slit is opposite the center of a 1.7-m wide screen 2.3 m from the slits. The slit separation is 24 µm and the width of each slit is 7.2 µm. How many fringes are visible on the screen if the slit is illuminated by 590-nm light?
Flywheels are large, massive wheels used to store energy. How long does it take the flywheel to reach top speed
the four wires that lie at the corners of a square of side a 4.20 cm are carrying equal currents i 1.30 a into or out
A typical wall outlet voltage is 120 volts in the United States. Personal MP3 players require much smaller voltages, typically 709.5 mV. If the number of turns in the primary coil is 1353, calculate the number of turns on the secondary coil of the ad..
a solid copper sphere has a net positive charge. the charge is distributed uniformly over the surface of the sphere and
three charges are placed on the y axis. one charge of -2.4 micro-coulombs is placed at y 0 another charge of 1.7
q1. a 500 g rubber ball is dropped from a height of 10 m and undergoes a completely elastic collision with the earth.a
Assuming that the magnetic field of the earth is like that of a short dipole buried at the center of the earth, calculate the dipole moment of the earth
Two long straight wires carrying the same current I and separated by a distance r exert a force F on each other. What will be the force between two wires
You are assigned the design of a cylindrical, pressurized water tank for a future colony on Mars, where the acceleration due to gravity is 3.71 meters per second per second.
A 0.0280 kg bullet moving horizontally at 500 m/s embeds itself into an initially stationary 0.500 kg block. What is their velocity just after the collision
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