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Solve the following questions:
Question I: How much work is required to lift a 1kg mass of fluid from the Earth's surface to an altitude of 10km against the gravitational force?
Question II: If all of this work is supplied by the initial kinetic energy of the fluid mass, then how fast must the mass have been moving initially?
What is the answer for above questions?
How far is the second dark fringe to the right of the central bright fringe in the double-slit interference pattern seen on a screen 4 m from the slits? The slits are separated by 0.2 mm and are illuminated with monochromatic light of wavelength 597n..
A thin spherical shell of mass 0.400 kilogram and diameter 0.250 meter is filled with alcohol (ρ = 806 kg/m3). Determine the acceleration of the alcohol-filled shell
Two identical conducting spheres, fixed in place, attract each other with a force of 0.083 N when their center to center separation is 45.00 cm. The spheres are then connected by a thin conducting wire. When the wire is removed, the spheres have a..
Find the acceleration of the aircraft and express it in multiples of g, free fall acceleration.
A boy with a mass of 55 kg is hanging from a spring with a spring constant of 240 N/m. With what frequency does the boy bounce up and down
A football is kicked straight up into the air; it hits the ground 3.4s later. What was the greatest height reached by the ball? With what speed did it leave the kicker's foot
Two waves traveling in opposite directions along a string fixed at both ends create a standing wave described by y(x, t) = 0.01 sin(44x)cos(1090t). The string has a linear mass density of 0.01 kg/m, and the tension in the string is supplied by a m..
Explain what was observed with the horizontal motion of the man and the boat in terms of Newton's Laws of Motion.
q1. a diffraction grating is illuminated with light if wavelength 500nm. it produces the first minimum at 45 degree.
A 26.2-kg dog is running northward at 2.89 m/s, while a 5.30-kg cat is running eastward at2.77 m/s Find the direction and magnitude of the owner's velocity
calculate the weight of air at 20 c in a room that measures 5.06 x 4.50 x 3.25 mpart a give your answer in newtons.
The components of velocity of an object moving in two dimensions are 40 m/s westward, and 28 m/s southward. What is the object's heading, in degrees
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