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Water flows at a rate of 27L/minthrough a horizontal 8-cm-diameter pipe under a pressure of 14.0Pa. At one point, calcium deposits reduce the cross-sectional area of the pipe to 27cm2.
What is the pressure at this point? (Consider the water to be an ideal fluid.)
Just before impact the audience hears a frequency of 1.15 × f0. What was the singer's terminal velocity, if the speed of sound is 330-m/s?
If the rocket gases are expelled at a speed of 2010 m/s, explain how much mass must be expelled?
Two objects with masses of 3.80 kg and 5.40 kg are connected by a light string that passes over a frictionless pulley, Determine the distance each object will move in the first second of motion if both objects start from rest
a thin gold ring of radius 1.02 cm carries a uniform charge per unit length of 1.02e-14 cm. find the electric field on
A cannonball is shot (from ground level) with an initial horizontal velocity of 41.0 m/s and an initial vertical velocity of 21.0 m/s. How far from where it was shot will the cannonball land
Determine the minimum torque that must be applied at the hinge to hold the gate shut. Neglect the weight of the gate and friction at the hinge.
a nasa mission to update the electronics on a circular orbiting space station has required the work of four astronauts.
An electric motor can lift a weight of 2000N through a height of 10 m in 20 sec. What is power of motor
A planet orbits a star once every 3.44 multiply.gif 107 s in a nearly circular orbit of radius 1.46 multiply.gif 1011 m. determine the tangential speed of the planet
Sewage at a certain pumping station is raised vertically by 5.43 m at the rate of 1 860 000 liters each day. The sewage, of density 1 050 kg/m3, Find the output mechanical power of the lift station
The circuit in the drawing contains two resistors and two capacitors that are connected to a battery via a switch. When theswitch is closed, the capacitors begin to charge up. What is the time constant for the charging process?
A parallel-plate capacitor is charged by being connected to a battery and is then disconnected from the battery. The separation between the plates is then doubled. How does the electric held change? The potential difference? The total energy? Exp..
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