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A nozzle of inner radius 1.05 mm is connected to a hose of inner radius 8.00 mm. The nozzle shoots out water moving at25.3 m/s.
1) What is the mass flow rate? in g/s
2) At what speed is the water in the hose moving? Answer in cm/s
3) What is the volume flow rate? Answer in cm^3/s
A rope is used to pull a block a horizontal distance of 50 metres. If the rope tension is 120 N, What is the work done on the box
If a bar is used as a first class lever and the fulcrum is 15 inches from the load and48 inches from the applied effort, how much effort is requird to raise a load of 240 pounds
A flat coil enclosing an area of 0.10 m2 is rotating at 65 rev/s, what is the maximum voltage induced in the coil
a rigid closed insulated container with a volume of 45 ft3 is filled with carbon dioxide at a pressure of 14.7 psia and
A 10-turn circular couil of radius 20mm carries a current of0.50 A. Find the magnetic field magnitude at its center
A box slides across a frictionless floor with an initial speed v = 4.9 m/s. It encounters a rough region where the coefficient of friction is uk = 0.3. What is the shortest length of rough floor which will stop the box
The position of a 300 object is given (in meters) by 5t^3-7.9t^2-45t , where t is in seconds. What is the average net power input during the interval from t=0s to t=1.9s
A transformer has 330 primary turns and 1340 secondary turns. The input voltage is 120 V and the output current is 15.0 A. What are the output voltage and input current
a 30kg child wants to use a 20kg board that is 6.0m long as a seesaw. since all her friends are busy, How far from her will the support be
A tortoise can run with a speed of 14.0 cm/s, and a hare can run 20 times as fast. In a race, What is the length of the race
a generating station is producing 1.7 x 106 w of power that is to be sent to a small town located 4.2 km away. each of
A heat engine does 349.21 J of work per cycle while exhausting 507.83 J of heat to the cold reservior. what is the cold reservior temperature in degrees Celsius
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