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Water flows at 0.56 m/s through a pipe 19 cm in diameter when the pressure is 34000 Pa. Determine the water velocity & the pressure in the pipe be if it shrinks down to 5 cm in diameter. You can assume that the pipe is horizontal & ?water = 1000 kg/m3.
The speed of light in a certain substance is 93.1% of its value in water. For water, n = 1.33. What is the index of refraction of the substance
A 3.4-m-tall, 40-cm-diameter concrete column supports a 2.0×105kg load, By how much is the column compressed
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 34.0 dB. What is the intensity delivered to the eardrum
A guitar string is 90.0 cm long and has a mass of 3.27g . From the bridge to the support post (=?) is 60.0 cm and the string is under a tension of 514 N
A 7650kg iceberg with density 931 kg/m3 is afloat in seawater with density 1030 kg/m3. find the buoyant force on the iceberg
question the x y and z components of a magnetic field are bx 0.12 t by 0.14 t and bz 0.17 t. a 25 cm wire is
Two narrow slits 0.286 mm apart are illuminated by light of wavelength 542. nm. The light falls on a screen 1.60 m away from the slits. What is the angular seperation between adjacent maxima
How much work should Denise do to drag her basket of laundry of mass 6.0 kg a distance of 3.0 m along a floor, if the force she exerts is a constant 50.0 N at an angle of 70.0° with the horizontal.
A car with a mass of 1300 kg decreases its forward speed from 22 m/s to 14 m/s in 4.0 seconds. What are the magnitude and direction of the net force on the car
A cannonball sits on top of a 10 meter cliff and is fired at a 10 degree angle with an initial velocity of 50 m/s. What is the maximum height of the cannonball relative to the ground? At maximum height what is the magnitude of the velocity? How lo..
The radius of the moon is 1.74 x 10^6 m, the radius of the sun is 6.96 x 10^8 m, the average moon-earth distance is 3.84 x 10^8m, and the sun-earth distance is 1.496 x 10^11m. what is the apparent angle the diameter of the moon subtends, as seen f..
Your friend's 0.0185 kg graduation tassel hangs on a string from his rearview mirror. Find the tension in the string holding the tassel
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