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Water flows through a garden hose that goes up a step 20.0 cm high. The water speed is 1.20 m/s at the lower section. The hose area at the top section is half of the lower section. If the water pressure is 143 kPa at the lower section, what is the water pressure at the top section?
An ideally efficient airplane engine provides work as heat flows from 1400 K burned gases to 260 K air
A slab of material has parallel faces. One coincides with the xy-plane while the other is given by z=t. Find the volume and surface densities of bound charge
If your roommate turns up the radio, increasing the sound level from 70 dB to 82 dB, what is the factor by which the intensity (in W/m^2) increases
A uniform rope of mass m and length L is hanging straight down from the ceiling. A small-amplitude transverse wave is sent up the rope from the bottom end. Derive an expression that gives the speed v of the wave on the rope in terms of the distanc..
You are standing in air and are looking at a flat piece of glass (n = 1.52) on which there is a layer of transparent plastic, Find the smallest possible nonzero value for the thickness of the layer
A 12 kg mass starts from rest and slides down an inclined plane 8.0 10-1 m long in 0.9 s. What net force is acting on the mass along the incline?
find the coefficient of linear expansion for the material of which the rod is made.
How long will it take you to cover the 99 m length of the walkway if, once you get on the walkway, you immediately turn around and start walking in the opposite direction with a speed of 1.5 m/s relative to the walkway.
LC oscillators have been used in circuits connected to loudspeakers to create some of the sounds of electronic music. which is in the audible range of frequencies
4.3 moles of Hydrogen gas initially at Standard Temperature and Pressure. The gas is heated to a temperature of 49°C while being kept at constant pressure. What is the new volume of the gas after it is heated
A rectangular loop is 1.2 m wide and 0.80 m tall and carries 0.50 A of current clockwise. Find the net force and torque on the rectangular loop
If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find out the final speed of the truck.
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