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Question: A sump pump is draining a flooded basement at the rate of 0.500 L/s, with an output pressure of 3.00 ✕ 105 N/m2. Neglect frictional losses in both parts of this problem. (a) The water enters a hose with a 3.00 cm inside diameter and rises 3.00 m above the pump. What is its pressure at this point? N/m2 (b) The hose then loses 1.20 m in height from this point as it goes over the foundation wall, and widens to 4.00 cm diameter. What is the pressure now?
questionone of the methods used to train astronauts for the effects of zero gravity in space is to put them in a
A car traveling east at 40 m/s passes trooper hiding at the road side. the driver uniformly reduces his speed to 25 m/s in 3.5 second. Find the magnitude and direction of car acceleration as it slow down
In the overhead view of Fig. 9-54, a 300 g ball with a speed v of 6.0 m/s strikes a wall at an angle ? of 30°, determine the impulse on the ball from the wall
The speed of a transverse wave on a string is 450 m/s, as the wavelength is 0.18 m. The amplitude of the wave is 2.00 mm. How much time is required for a particle of the string to move during a total distance of 1.0 km?
The angular position of a pendulum is represented by the equation given below where ? is in radians and ? = 4.12 rad/s. Determine the period and length of the pendulum
The coefficient of friction between a certain brass block and a large revolving turntable is μ = 0.24. What is the period of rotation of the turntable
Let us approximate an electron in the n-th shell of an atom as being like an electron in the n-th shell of a hydrogen atom with an effective nuclear charge Z. Use your knowledge of the hydrogen atom to calculate the ionization energy of this elect..
A 2.1 kilogram mass is connected to a spring with spring constant k = 150N/m and unscratched length 18 centimeter. Evaluate what the radius of its path
Find the linear speed of the hoop's center of mass just as the hoop leaves the incline and rolls onto a horizontal surface
A cell phone 6.7 cm tall is 43 cm in front of your eye (diameter 2.5 cm). Find the size of the image of the cell phone on your retina
Find the semimajor axis of the ellipse. (Hint: Draw a picture showing Sun and the orbits of Earth, Mars, and the spacecraft. Treat the orbits of Earth and Mars as circles.)
An electron is in a certain energy state in a one-dimensional,infinite potential well from x = 0 to x =L = 250 pm. What is the change in the electron's energy
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