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A water tower is a familiar sight in many towns. The purpose of such a tower is to provide storage capacity and to provide sufficient pressure in the pipes that deliver the water to customers. The drawing shows a spherical reservoir that contains 7.11 x 105 kg of water when full. The reservoir is vented to the atmosphere at the top. For a full reservoir, find the gauge pressure that the water has at the faucet in (a) house A and (b) house B. Ignore the diameter of the delivery pipes.
Prove that when reflected, a ray of light incident upon a plane mirror rotates through an angle of 2q if the mirror is rotated through an angle of q. The mirror rotates about an axis that is perpendicular to the plane of incidence of the ray.
A 33 µF parallel-plate capacitor is connected to a 6 Volt battery. Find what would the voltmeter read if the plate separation were quadrupled
A charge of 24.5uC is located at (4.40m, 6.22m), and a charge of-11.2uC is located at (-4.50m, 6.75m). What charge must be locatedat (2.23m, -3.31m) if the electric potential is to be zero at theorigin?
In a refrigerator the working fluid remains a gas throughout the cycle. Its working may be described in a greatly simplified form as a sequence of four steps as follows: 1 The fluid passes through the refrigerated compartment, where its temperatur..
three identical small styrofoam balls m 1.82 g are suspended from a fixed point by three nonconducting threads each
If the shear stress in steel exceeds about 3.92 × 108 N/m2 , the steel ruptures. Find the shearing force necessary to shear a steel bolt 0.91 cm in diameter
the position of a cart that is oscillating on a spring is given by the equation x= 12.3 cm cos [(1.26 s-1)t], velocity and acceleration of the cart
An electron with kinetic energy 4.60 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 50.0 cm. Discover the following values The speed of the electron
When you weigh yourself on good old terra firma (solid ground), your weight is 144 lb . In an elevator your apparent weight is 124 lb.What is the magnitude of the elevator's acceleration? What is the direction of the elevators acceleration?
a mass of 40 kg is attached to the end of a cord that passes over a frictionless pulley and then has a mass of 35 kg
A variable capacitor is connected to a battery of voltage V. The capacitor initially has a capacitance C0 and charge q0. Calculate the power supplied by the battery
a what angles does a particles velocity have to make with the magnetic field direction for the particle to be subjected
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