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An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.210rev/s . The magnitude of the angular acceleration is 0.906rev/s2 . Both the the angular velocity and angular accleration are directed clockwise. The electric ceiling fan blades form a circle of diameter 0.770m
Compute the fan's angular velocity magnitude after time 0.205s has passed.
Through how many revolutions has the blade turned in the time interval 0.205s from Part A?
What is the tangential speed vtan(t) of a point on the tip of the blade at time t = 0.205s?
What is the magnitude a of the resultant acceleration of a point on the tip of the blade at time t = 0.205s?
It runs out of fuel at the end of the 4.97 s but does not stop. Explain how high does it rise above the ground?
The track near the top of your favorite roller coaster has a circular shape with a diameter of 22 m. What is the speed of the roller coaster
Your friend observes an artificial satellite orbiting the earth. He estimates it is at an altitude h = 938 km above the earth's surface and has a mass m = 3500 kg. What is the period (s) of the satellite's motion
Find out the x and y components of the force.
A 144-g baseball moving 29m/s strikes a stationary 5.25-kg brick resting on small rollers so it moves without significant friction. Determine the baseball's speed after the collision
Cars A and B are traveling around the circular race track. At the instant shown, A has a speed of 78ft/s, Determine the relative acceleration of car A with respect to car B at this instant
two point charges lie on the x-axis: .30 micro C at x=.15m and .11micro C at x=.70. find the place where the electric field is zero
A thin glass rod forms a semicircle of radius r = 3.03 cm. Charge is uniformly distributed along the rod, with +q = 1.05 pC in the upper half and -q = -1.05 pC in the lower half
The internal energy of a gas is 1000j. The gas is compressed adiabatically and it's volume deceases by 400cm^3. What is internal energy of gas
Coherent light with wavelength 609 passes through two very narrow slits, and interference pattern is observed on a screen a distance of 3 from the slits.
A small object is placed to the left of a convex lens and on the optical axis. What is the position of the image formed by the lens
Illustrates the difference between acceleration and velocity
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