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A Ferris wheel has radius 5.0 m and makes one revolution in 8.0 seconds. A person weighing 670N is sitting on one of the benches attached at the rim of the wheel. What is the apparent weight (normal force exerted on her with the bench) of the person as she passes during the high-test point of her motion?
point charges of -6 microc 3.0 microc and 6 microc are located along the x axis at x -1.0 cm x 0 and x 1.0 cm
a spherical conductor of radius 12 cm has a charge of 1.6 x 10-7c distributed uniformly on its surface. what is the
We move a square loop of wire 2.1 cm on a side into a region of uniform magnetic field of 1.0 T with the plane of the loop, find the force on the loop as it just enters the magnetic field region
A bottle of saline solution (with a specific gravity of 1.02) is attached to a 1.2 m long piece of tubing with a 1.0 cm inner diameter. If the tubing is held vertically, filled with saline, and clamped at the bottom, (a) what is the gauge pressure at..
A solid disk rotates in the horizontal plane atan angular velocity of 0.067 rad/s with respect to an axis perpendicular to the disk at tis center. The moment of inertia ofthe disk is 0.10 kg·m2.
Suppose unpolarized light of intensity 150 W/m^2 falls on the polarizer and the angle is 30 degrees. What is the light intensity reaching the photocell?
A certain lightbulb is rated at 95 W when operating at an rms voltage of 1.95 V. What is the peak voltage applied across the bulb
q1. for an ideal atwood machine has a massless pulley of radius 10 cm which moves without friction and has masses of 2
A sphere with radius 0.205m has density ? that decreases with distance r from the center of the sphere according to ?=3.25×103kg/m3?(9.25×103kg/m4)r, calculate the moment of inertia of the sphere for an axis along the diameter
question the angular momentum of a spinning wheel is 231 kg middot m2s. after application of a constant braking torque
A certain superconducting magnet in the form of a solenoid of length 0.70 m can generate a magnetic field of 10.0 T in its core when its coils carry a current of 50 A. The windings, made of a niobium-titanium alloy, must be cooled to 4.2 K. Find the ..
The maximum pressure that can be obtained in your local mechanic's hydraulic pump is 2.0 x 10^5 Pa. what is the largest mass (of car) for which the pump will work
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