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Question: A sump pump (used to drain water from the basement of houses built below the water table) is draining a flooded basement at the rate of 0.55 L/s, with an output pressure of 2.9 Ã- 105 N/m2.
a) The water enters a hose with a 3.2 cm inside diameter and rises 2.4 m above the pump. What is its pressure at this point N/m2? You may neglect frictional losses.
b) The hose goes over the foundation wall, losing 0.55 m in height, and widens to 4.9 cm in diameter. What is the pressure now in N/m2? You may neglect frictional losses.
Reflecting telescope is built with a 20-cm-diameter mirror having a 1.00m focal length. It is used with a eyepiece 10X, What is the magnification of the telescope
Objects with masses of 135 kg and a435 kg are separated by 0.480 m. Discover the net gravitational force exerted by these objects on a 36.0 kg object placed midway among them.
If the coefficient of kinetic friction between the box and the roof is 0.55, with what speed must you push the box to have it gently come to rest right at the edge of the roof.
A crate weighing 574 Newton is resting on a plane inclined 33degree above the horizontal. Estimate the magnitude of the acceleration (ignore friction)
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A 0.427 kg mass is attached to a spring with a force constant of 25.3 N/m and released from rest a distance of 3.07 cm from the equilibrium position of the spring. Calculate the speed of the mass when it is halfway to the equilibrium position.
A solid disk of radius R = 11 cm lies in the y-z plane with the center at the origin. The disk carries a uniformly distributed total charge Q = 65 µC. Write an equation for the surface charge density in terms of the total charge and radius of the d..
An Alpha particle of energy 4 keV (1 eV = 1.6 x 10^-19 J) is scattered by an aluminium atom through an angle of 90 degrees. Calculate the distance of closest approach to the nucleus. ( Atomic number of alpha particle = 2, atomic number Al = 13, e ..
a 5.80kg piece of solid copper metal at an initial temperature t is placed with 2.00 kg of ice that is initially at
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question1a square membrane with sides of length l uniform mass density per unit area sigma and uniform surface tension
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