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A nozzle of inner radius 1.05 mm is connected to a hose of inner radius 7.95 mm. The nozzle shoots out water moving at 25.5 m/s.
(a) At what speed is the water in the hose moving?
______ cm/s
(b) What is the volume flow rate?
______cm3/s
(c) What is the mass flow rate?
______ g/s
A woman passes through a revolving door with a tangential speed of 1.6m/s if she Is 70 m from the center door, what is the door angular speed
A student hits the cork sharply with her fist and the bottom of the bottle breaks. The student's fist has a mass of m = 0.480kg and moves downward at a speed of vi = 5.00m/s. What is the force that the fist exerts on the top of the bottle
Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 79.1 N, Jill pulls with 76.7 N in the northeast direction, Find the magnitude of the net force the people exert on the donkey
A 473g wood block is given a quick push across a table. During the push it accelerates at a rate of 0.69m/s2, what was the strength of the force used to push the block to start with
A grandfather clock is controlled by a swinging brass pendulum that is1.2m long at a temperature of28°C. What is the length of the pendulum rod
A 47-g golf ball is driven from the tee with an initial speed of 52.0 m/s and rises to a height of 24.2 m.
What is magnitude of the electric field
A snowmobile is originally at the point with position vector 31.1 m at 95.0° counterclockwise from the x axis, find the following. velocity vector position vector
Two pucks collide on an air hockey table. Puck A has a mass of 30 g and is initially traveling in the +x direction at 6.0 m/s. Calculate puck A's final speed
The current in a 51 resistor is 0.14 A. This resistor is in series with a 28 resistor, and the series combination is connected across a battery
A 12 volt battery is connected to a 2.0 x 10^-5 farad capactior. calculate the amount of charge on one plate of the capacitor.
q1. a evaluate the temperatures of a blue star and a blue jacket coat by using order of magnitude estimates for
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