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A fly sits on a potter's wheel .30 m from its axle. The wheel's rotational speed decreases from 4.0 rad/s to 2.0 rad/s in 5.0 s. Determine
(a) the wheel's average rotational acceleration
(b) the angle through which the fly turns during the 5.0 s and
(c) the distance traveled by the fly during that time interval.
A cylindrical capacitor has an inner conductor with a radius of 2.1mm and an outer conductor with a radius of 3.1mm. Find the charge (magnitude and sign) on both conductors
A uniform chain of total mass m is laid out straight on a frictionless table and held stationary so that one-quarter of its length, L = 2.85 m, Determine the speed of the chain
A uniform magnetic field B is perpendicular to the plane of rotation. What is the potential difference between the ends of the bar
A wave on a string is described by D(x,t)=(2.00cm)sin[(12.57rad/m)x?(638rad/s)t],where x is in m and t is in s. The linear density of the string is 5.00g/m, What is the maximum speed of a point on the string
A string that is fixed at both ends has a length of 2.49 m. When the string vibrates at a frequency of 80.8 Hz, What is the fundamental frequency of the string
When the temperature of a coin is raised by 71.8 C°, the coin's diameter increases by 2.11 x 10-5 m. find the coefficient of linear expansion
A child on the merry-go-round is moving with a speed of 1.15 m/s when 1.10 m from the center of the merry-go-round.
True false questions on physics
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 114, Find the maximum speed that the car can have without slipping
An RL series circuit has R= 78.0? and L= 2.00mH. The series combination is connected across a 165V(rms), 65Hz power supply. Find the impedance of the RLcombination
A pressure of 10 Pa is applied through a piston uniformly on the surface of water in a cylinder. How much of this pressure if it is 80 cm deep?
An electron with an initial speed of 342910 m/s is brought to rest by an electric field. What was the potential difference that stopped the electron
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