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A water pipe having a 2.9 cm inside diameter carries water into the basement of a house at a speed of 0.92 m/s and a pressure of 170 kPa. The pipe tapers to 1.0 cm and rises to the second floor 7.1 m above the input point. The speed at the second floor is 7.73 m/s.
What is the water pressure at the second floor?
A cylindrical beaker of height 0.100 and negligible weight is filled to the brim with a fluid of density = 890 . When the beaker is placed on a scale, its weight is measured to be 1.00 .(Figure 1)
The small spherical planet called "Glob" has a mass of 6.54×10^18 kg and a radius of 6.29×10^4 m. An astronaut on surface of Glob throws a rock straight up. The rock reaches a maximum height of 2.00×103 m, above the surface of planet, before it falls..
The speed of a light wave in a certain transparent material is 0.501 times its speed in vacuum, what is its wavelength in nanometers
Two sound speakers separated by a distance of 3-meters, are driven in phase by same audio amplifier. A listener sits directly in front of one speaker at a distance of 4 meters from it so that listener and speakers form a right triangle.
The fundamental frequency of a closed pipe is 108 Hz. Find the next higher harmonic for this tube
a light ray is incident upon a plane interface between two materials. the ray makes an incident angle with the normal
Not sure how to relate 'bandwidth' to wc+wm and wc-wm (w =omega = angular frequency) ie upper and lower sideband. We know audio range max is 20 kHz, how do we get band width from this data
Ordinary glasses are worn in front of the eye and usually 2.00{\rm cm} in front of the eyeball. What focal length lenses are needed to correct his vision
assume that all gases are perfect and that data refer to 298.15 k unless otherwise stated. calculate delta h and delta
A helicopter lifts a 70 kg astronaut13 m vertically from the ocean by means ofa cable. The acceleration of the astronaut is g/10.
A car parked in the sun absorbs energy at a rate of 590 watts per square meter of surface area. The car reaches a temperature at which it radiates energy at this same rate. Treating the car as a perfect radiator (e = 1), discover the temperature.
The capacitor in an RC circuit(R = 100 Ω, C = 45 uF) is initially uncharged. Find the charge on the capacitor in the circuit one time constant (r = RC) after the circuit is connected to a9.0-V battery.
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