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Which one of the following statements regarding fluids is FALSE?
(A) An ideal fluid has a constant density.(B) For horizontal flow of an ideal fluid, the speed of flow ishigher where the pressure is lower.(C) The pressure at a depth d in an ideal fluid is lower than thepressure at the surface.(D) A fluid exerts a buoyant force on a submerged object equal tothe weight of the displaced fluid.(E) Pressure is a scalar quantity.
Suppose a 32.0 kg child sits 1.37 m to the left of center on the same seesaw as the problem you just solved. A second child sits at the end on the opposite side, Find the normal force acting at the pivot point
A panicular spring has a spring constant of 86 N/m and a mass of 0.548 kg at its end. When the spring is driven in a viscous medium, find the damping parameter due to the viscous medium
A man riding a bicycle 140kg together is traveling at 8.6 m/s due north when he is brought to a stop in .50 seconds by a gazelle running to the south. Calculate the average force exerted on the gazelle
A hill that has a 25.7% grade is one that rises 25.7 m, At what angle is such a hill inclined above the horizontal
Additional light oil is poured onto the liquid surface until the top surface of the oil coincides with the top surface of the wood cube (in hydrostatic equilibrium). How thick is the whole layer of the light oil
Consider a system with a damping force undergoing forced oscillations at an angular frequency W (omega). What is the instantaneous kinetic energy of the system? What is the instantaneous potential energy of the system?
A steel cable with total length 20m and mass 100kg is connected to two poles. The tension in the cable is 2,000N, and the wind makes the cable vibrate with a frequency of 2Hz. Calculate the wavelength of the resulting wave on the cable.
question1an airplane starting from airport a flies 300 km east then 305 km at 24.5deg west of north and after that 150
A playground is on the flat roof of a city school, 6.1 m above the street below (see figure). The vertical wall of the building is h = 7.60 m high, Find the speed at which the ball was launched
A 0.43 kg particle moves in an xy plane according to x(t) = - 13 + 4 t - 3 t3 and y(t) = 26 + 9 t - 7 t2, with x and y in meters and t in seconds. what is the angle of the particle's direction of travel
A square conducting loop has side a and carries clockwise current I as shown in the diagram. calculate the magnitude and direction of the magnetic field at the center of the square
A thick, vertical iron pipe has an inner diameter of 0.077 m. A thin aluminum (? = 23x10-6 (C°)-1) disk, What is the temperature of the aluminum disk when the disk falls into the pipe
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