"water moves in a pipe from the ground up to a height" of 11 m. at the bottom of the pipe the water has a velocity of 1 m/s. as the pipe goes up it reduces in diameter and at the top of the pipe it has a velocity of 12 m/s and a pressure of 207000 pa. find the necessary pressure at the bottom of the pipe to deiver the water to the top.
Answers: 2
Physics, 21.06.2019 18:00
Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
Answers: 1
Physics, 22.06.2019 10:00
The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
Physics, 22.06.2019 11:30
1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.
Answers: 1
Physics, 23.06.2019 17:30
Select the correct answer from each drop-down menu. choose the correct words.to complete the statements about career planning. throughout your job search, you’ll find that is closely related to the career of your choosing. it’s important to take the time to find out what to expect now, so you can start developing the you need to excel in that career
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"water moves in a pipe from the ground up to a height" of 11 m. at the bottom of the pipe the water...
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