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For the cellar of a new house, a hole is dug in theground, with vertical sides going down 2.40m. A concrete foundationwall is built all the way across the 9.60m width of the excavation.The foundation wall is 0.183 m away from the front of the cellarhole. During a rainstorm, drainage from the street fills up thespace in front of the concrete wall, but no the cellar behind thewall. The water does not soak into the clay soil. Find the forcethe water exerts on the foundation wall. For comparison, the weightof the water is 2.40m x 9.60m x 0.183m x 1,000 kg/m3 x9.80m/s2 = 41.3kN.
The potential difference between two parallel conducting plates in vacuum is 475 V. An alpha particle with mass of 6.50×10-27 kg and charge of 3.20×10-19 C is released from rest near the positive plate. What is the kinetic energy of the alpha particl..
a 2.0 nc charge is placed on the x-axis at x=-3.0cm another 2.0nc charge is placed on the x-axis at x=3.0cm, What is the potential at the origin
An RLC series circuit has L = 0.324 H and C = 6.93 ?F . The source has a peak voltage of 442 V. What is the peak voltage across the inductor at resonant frequency
The plates of a parallel-plate capacitor are 3.00mm apart, and each carries a charge of magnitude 75.0nC. What is the area of each plate
The electromagnetic wave used in a microwave oven have a wavelength of about 12.222 cm. What is the frequency of the radiation
an ambulance with a siren emitting a whine at 1600 hz overtakes and passes a cyclist pedaling a bike at 2.44 ms. after
A 15-kg block rests on a level frictionless surface and its attached by a light string to a 5.0-kg hanging mass, What is the tension in the connecting string
A 80-kg snow skier is being pulled up a 16 ° slope by a steel (Young's modulus 2.0 x 10^11 N/m2) cable. The cable has a cross-section area of 7.0 x 10^-5 m2. what is the original (unstretched) length of the cable
what speed does the rock have as it strikes the ground?
q1. an archer puts a 0.26 kg arrow to the bowstring. an average force of 213 n is exerted to draw the string back 1.3
in haiti public transportation is often by taptaps small pickup trucks with seats along the sides of the pickup bed and
A charge of +q is located at the origin, while an identical charge is located on the x axis at x = 0.53 m. Where should the third charge be located
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