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An open organ pipe (i.e., a pipe open at both ends) of length Lo has a fundamental frequency Fo -If the organ pipe is cut in half, what is the new fundamental frequency?
For your final exam in electronics, you're asked to build an LC circuit that oscillates at 15kHz, What values of inductance and capacitance must you use
A 1200 kg boat is traveling at 80 km/h when its engine is shut off. The magnitude of the frictional force fk between boat, Find the time required for the boat to slow down to 40 km/h
What is the centripetal acceleration of a helicopter flying in a horizontal circle of a diameter 510 m at a speed of 120 m/s
A duck has a mass of 2.6 kg. As the duck paddles, a force of 0.11 N acts on it in a direction due east. In addition, the current of the water exerts the force of 0.12 N in a direction of 44° south of east. When these forces begin to act, the velocity..
A projectile is fired from the surface of the Earth with a speed 200 meters per second at an angle of 30 degrees above the horizontal. what is the maximum height reached by the projectile
Two point charges, +3.75 µC and -6.05 µC, are separated by 1.21 m. What is the electric potential midway between them
Using and Atwood machine with masses m1 and m2, at first with m1 a distance 2h above m2, what is the speed of either mass they pass each other? Make use of energy to solve (hint they cross halfway between the starting positions of the two masses).
A 60.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.760 and 0.410, correspondingly. What horizontal pushing force is required to (i) just start the crate moving and (ii) slide the crate ..
What is the concentration of the Cd in the soil if the city of Des Moines adds 3 tons of compost/ acre-6 inches given the compost contains 50 ppm Cd
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 7.60 m/s at an angle of 18.0° below the horizontal. How far horizontally from the base of the building does the ball strike the ground
what is the value of the R that gives zero pressure? write down it in terms of h, W and fundamental constants.
A hiker's trip consists of three segments. Path A is 7.00 km long heading 60.00 degrees north of east. Path B is 6.00 km long in the direction due east. Path C is 5.00 km long heading 315 degrees counter clockwise from east. Graphically add hiker's d..
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