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The large blade of a helicopter is rotating in a horizontalcircle. The length of the blade is 7.64 m, measured from its tip tothe center of the circle. Find the ratio of the centripetalacceleration at the end of the blade to that which exists at apoint located 1.62 m from the center of the circle.
In an EM wave traveling west, the B field oscillates vertically and has a frequency of 88.0kHz and an rms strength of 6.35×10?9T
anbsp32.5-kg crate rests on a horizontal floor and anbsp60.4-kg person is standing on the crate. determine the
A lighted candle is placed 37 cm in front of a diverging lens. The light passes through the diverging lens and on to a converging lens of focal length 10 cm that is 5 cm from the diverging lens
White light containing wavelengths from 400 nm to 750 nm falls on a grating with 7000 lines/cm. How wide is the first-order spectrum on a screen 2.10 m away.
After hitting a long fly ball that goes over the rightfielder's head and lands in the outfield, how much work was done on the player by friction
Inside the house where the temperature is 20C, we measure the length of an aluminum rod with a micrometer made of steel, find the length of the cold rod according to the cold micrometer
A dentist's drill accelerates from rest at 640rad/s2for 2.30s and then runs at constant angular velocity for 6.50s. Through how many total revolutions has the drill turned
A series AC circuit contains the following components: R = 150 ?, L = 250 mH, C = 2.00 ?F and a source with ?Vmax = 210 V operating at 50.0 Hz. find phase angle between current and source voltage
q1. a car owner uses wrench abc to loosen the lug nut at c. length of the handle ab is 372 mm and the owner applies
irplane A , starting from rest with constant acceleration, requires a runway 600m long to become airborne. How long must the runway be for airplane B
a space vehicle is moving at a speed of 0.85c with respect to an external observer. what is the speed of the project as seen by the external observer
question1a space station in a form of a large wheel 271m in diameter rotates to provide an artificial gravity of 2.6
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