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The horizontal constircted pipe, can be used to meausre flow velocitites in an imcompressible fluid. The ratio for the cross sectional areas of the tube is (A2/A1)= .44, the difference in the pressures id P1-P2=2P=25.9 Pa, and the density of the fluid is 2.35 kg/m^3. Find the speed of the fluid near the right hand end of the tube (i.e. find v2) Answer in units of m/s.
A small earthquake starts a lamppost vibrating back and forth. What is the time constant for the damping of the oscillation
Starting from rest, a 40 kg body reaches a speed of 8.0m/s in 2s. Calculate the force acting on the body?
A 300g bird flying along at 5.6 m/s sees a 10 g insect heading straight toward it with a speed of 33 m/s, What is the bird's speed immediately after swallowing
A solid sphere of mass 2.5 kg and a radius 0.15m starts from rest at the top of the a ramp inclined 15 degrees, What is the total kinetic energy of the sphere when it reaches the bottom of the ramp
A pipe is horizontal and carries oil that has a viscosity of 0.15 Pa · s. The volume flow rate of the oil is 5.8 10-5 m3/s. What is the absolute pressure at the input end
An unstable particle with a mass equal to 3.34*10-27 kg is initially at rest. Find the masses of the fragments
A 115 V electric iron draws 5.57 A of current. How much heat is developed per hour, What is the temperature of the bath
Two stars with equal areas and emissivities have surface temperatures of 4,061 K and 6,078 K respectively
A batter hits a 0.14kg baseball that was approaching him at 30.0 m/s and, accordingly, the ball leaves the bat at 40.0 m/s in the direction of the pitcher. The ball remains in contact with the bat for 2ms. What is the average force exerted by bat.
An air column in a glass tube is open at one end and closed at the other by a movable piston. The air in the tube is warmed above room temperature, and a 356 Hz tuning fork is held at the open end. Resonance is heard when the piston is at a distan..
A certain transverse wave is described by y(x,t)=Bcos[2pi(x/L - t/T)], where B= 6.80mm , L= 30.0cm , and T= 3.30×10^-2s. Determine the wave's speed of propagation
Oxygen diffuses from the surface of insects to the interior through tiny tubes called tracheae. An average trachea is about 2 mm long, Find the concentration of oxygen in the air
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