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At a soft drink bottling plant, a horizontal section of pipe carrying citric acid in liquid form goes from a cross-sectional area of 8.00 cm2, fluid flow speed of 200 cm/s, and pressure of 1.40 105 Pa to a section of pipe with a cross-sectional area of 3.40 cm2. The density of the citric acid is1660 kg/m3. For the section of smaller pipe, determine the liquid flow speed and the liquid pressure.
A 0.58 kg toy airplane is suspended from the ceiling by a 1.6 m cord and rotates in a horizontal circle, Find the speed of the plane, Find the tension in the cord
A tennis ball rolls off the edge of a tabletop of height 0.850m above the floor and strikes the floor at a point a horizontal distance 1.80 m from the edge of the table. You can ignore air resistance. Find out the time of flight.
An emf is induced in a conducting loop of wire 1.14m long as its shape is changed from square to circular, Find the average magnitude of the induced emf if the change in shape occurs in 4.23s
What are sunspots and how are they related to the Sun's magnetic field? Is the magnetic field stronger weaker in sunspots? How does the temperature in a sunspot relate to the temperature in the rest of the photosphere.
Light of wavelength 665 nm is used to illuminate normally two glass plates 12 cm in length, How many bright fringes appear along the total length of the plates
A satellite is in a circular orbit about the earth (ME = 5.98 × 1024 kg). The period of the satellite is 1.20 × 104 s. Illustrate what is the speed at which the satellite travels?
The coefficient of static friction between the 3000 lb car's tires and the road is 0.5. Determine the steepest grade the car can drive up at constant speed if car has (a) rear=wheel drive; (b) front-wheel drive; (c) four wheel drive.
A 1 m diameter wagon wheel consists of a thin rim having a mass of 9 kg, Determine the moment of inertia of the wagon wheel for rotation about its axis
A series RC circuit with C = 56?F and R = 6.4? has a 25V source in it. With the capacitor initially uncharged, an open switch in the circuit is closed, What is the voltage across the resistor immediately afterward
A 320 piano slides 3.3 down a 24 incline and is kept from accelerating by the man who is pushing back on it parallel to the incline. Determine the work done by the man on the piano.
A proton, initially traveling in the +x-direction with a speed of 5.00×105m/s, enters a uniform electric field directed vertically upward, What is the strength of the electric field
A solenoid 70 . 8 cm long has 640 turns and a radius of 2 . 34 cm. If it carries a current of 2 . 03 A, find the magnetic field along the axis at its center
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