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An electric ceiling fan with blades of diameter 0.760m is rotating about a fixed axis with an initial angular velocity of 0.200 rev/s . The angular acceleration is 0.883 rev/s^2 .
A) Through how many revolutions has the blade turned in this time interval?
B) What is the tangential speed of a point on the tip of the blade at time t = 0.202s
C) What is the magnitude of the resultant acceleration of a point on the tip of the blade at time t = 0.202s ?
The atmospheric density at an altitude of 2500 km is about 1 molecule/cm3. find the mean free path predicted by the equation below
The electric field between two square metal plates is 130 N/C. The plates are 1.0 m on a side and are separated by 3.0 cm, Calculate the charge on each plate
how far from the woman will he be now. How various revolutions will the car have gone through when the magnitude of its total acceleration is 3.30 m/s^2.
An emf of 22.0 mV is induced in a 497 turn coil when the current is changing at a rate of 9.0 A/s. What is the magnetic flux through each turn of the coil
A vertical electric field of magnitude 2.00 × 104 N/C exists above the Earth's surface on a day when a thunderstorm is brewing. A car with a rectangular size of 6.00 m by 3.00 m is traveling along a roadway sloping downward at 10.0°. find the elec..
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q1. a house is heated by a 24.0 kw electric furnace which uses resistance heating. the rate for electrical energy is
Water at a gauge pressure of P = 3.4 atm at street level flows into an office building at a speed of 0.90m/s through a pipe 5.6 cm in diameter. find the gauge pressure in the pipe on the top floor
A coating is applied to a lens to minimize reflections. what wavelength is minimally reflected for normal incidence in the lowest order
A negatively charged particle remains stationary in an downwardly directed E field between two parallel charged plates separated by 2cm. How many electrons does the charged particle contain
2 moles of an ideal gas is allowed to expand from 0.002 m^3 to 0.02 m^3 while the pressure is held at 325000 pascals. Determine the net heat flow in or out of the system
A counterweight of mass m = 3.80 kg is attached to a light cord that is wound around a pulley, What is the net torque on the system about the axle of the pulley
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