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At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 3.20 m/s, and an 64.6-kg person feels a 427-N force pressing against his back. What is the radius of a chamber?
what is the electric potential energy of this particle. what is its speed just before it strikes the positive plate.
A solid disk rotates in the horizontal plane at an angular velocity of 0.036 rad/s with respect to an axis perpendicular to the disk at its center, what is the angular velocity of the disk
When a charge that is free to move is released in the presence of an electric field, does it move from a region of high electric potential to a region of low electric potential or vice-versa? Does your reply depend on whether the charge is positiv..
White light, with frequencies ranging from 4.20×1014 Hz to 7.74×1014 Hz, is incident on a calcium surface. Calculate the lowest frequency for which no electrons are ejected
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.10×106N , one at an angle 10.0? west of north, What is the total work done by the two tugboats on the supertanker
Evaluate the magnitude of the apparent weight of a 84 kg astronaut 4500 km from the center of the Earth's Moon in a space vehicle accelerating toward the Moon at 3.1 m/s^2?
Explain the rule of subtracting two vectors in graphical and component representation, ow the position of an object changes in time in case of linear motion
A partly-full paint can has 0.55 U.S. gallons of paint left in it. (a) What is the volume of the paint, how thick is the layer of wet paint
Tilted Land is flat, much like Western Utah, but in Tilted Land gravity does not point straight down! Where does the ball hit the ground
An object is 32cm in front of a converging lens with a focal length of 6.9cm, Use ray tracing to determine the location of the image
You are given a pair of Hemholtz coils, each with radius R = 12 cm, containing 140 turns of wire in each coil. Calculate the magnetic field produced in the center of the space between the coils
If you put a 0.28 kg mass 15 cm from the axis of a massless disk, and you apply a 0.4 N force on a string wrapped at the disk's edge, what is the resulting angular acceleration
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