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An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.230rev/s . The magnitude of the angular acceleration is 0.893rev/s^2 . Both the the angular velocity and angular accleration are directed clockwise. The electric ceiling fan blades form a circle of diameter 0.790m . What is the tangential speed v_tan(t) of a point on the tip of the blade at time t = 0.204s ? Express your answer numerically in meters per second. What is the magnitude a of the resultant acceleration of a point on the tip of the blade at time t = 0.204s ? Express the acceleration numerically in meters per second squared. Through how many revolutions has the blade turned in the time interval 0.204s from Part A? Express the number of revolutions numerically.
One mole of an ideal monatomic gas is expanded adiabatically and quasi-statically from a pressure of 1,172 kPa and a temperature of 273 K to a pressure of 279 kPa. What is the final volume of the gas in cubic metres?
A flat sheet of crystalline quartz has a thickness of 1.0 cm. It is on top of a flat sheet of diamond that has a thickness of 1.2 cm. how far would it have traveled in a vacuum
A rubber ball of mass 149 g is thrown directly at a wall with a speed of 4.7 m/s. what is the magnitude of the impulse imparted by the wall on the ball
The electric field at the point x = 5.00 cm and y = 0 points in the positive x direction with a magnitude of 5.00 N/C. Find the location of the point charge
A bug crawls outward from the center of a compact disc spinning at 190 revolutions per minute. How far does the bug get from the center before slipping
In an experiment to find out the muzzle velocity of your BB gun, you fire a BB straight up into a wooden block of mass 0.050 kg. How fast was the BB going just before the collision
A woman can read the large print in a newspaper only when it is at a distance of 59 cm or more from her eyes. What should be the refractive power (in diopters) of her glasses
A small sphere with mass 1.20 hangs by a thread between two large parallel vertical plates 5apart. The plates are insulating and have uniform surface charge densities and. The charge on the sphere is = 8.80×10-6.
The induced electric field 13cm from the axis of a solenoid with a 8.5cm radius is 40V/m. Find the rate of change of the solenoid's magnetic field
A laser with wavelength 650 nm is incident on a single slit with width 10 mm. A screen is placed 1 m beyond the slit. How far apart will the first dark bands on either side of the central maximum be?
Assume that a 16 volt energy source is in a circuit that has a resistance of 10 ohms. Determine the current and power
An RLC circuit shown above with a peak voltage of 240 V, f = 60 Hz, R = 100 Kilo Ohms, L = 0.5 mH, C = 200 micro Farad. What is the (linear) resonant frequency of the circuit
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