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Question: The velocity components of a two-dimensional inviscid incompressible flow are given by
Find the stream function and the vorticity, and sketch the streamlines.
At an outdoor market, a bunch of bananas is set into oscillatory motion with amplitude of 20 centimeter on a spring with a force constant of 16 N/m. Evaluate the weight of the bananas in Newton's
A 5.00-g bullet is shot through a1.10-kg wood block suspended on a string2.00 m long. The center of mass of the block rises a distance of0.45 cm. Find the speed of the bullet asit emerges from the block if its initial speed is 398 m/s.
A 0.54 cm high object is placed 8.4 cm in front of a diverging lens whose focal length is -7.5 cm. What is the height of the image
a car with a mass of 1104 kg is coasting in neutral on a straightlevel road. it slows down and its speed as a function
Three pendulums with strings of the same length and bobs of the same mass are pulled out to angles q1, q2 and q3 respectively and free. The approximation sin q = q holds for all three angles, with q3 > q2 > q1. How do the angular frequencies of th..
Sodium atoms emit 2.10 eV photons. What is the frequency of these photons? What is the wavelength? What is their speed in a vacuum?
A one-dimensional harmonic oscillator is perturbed by an extra potential energy bx. Determine the change in each energy level to second order in the perturbation
A hydrogen atom is in the ground state. It absorbs energy and makes a transition to the n = 5 excited state. The atom returns to the ground state by emitting two photons, one in dropping to n = 4 state, and one in further dropping to the ground state..
a point mass rotates in a circle with l 1. calculate the magnitude of its angular momentum and the possible
Estimate, in vacuum wavelengths, the thickness of a vacuum layer which would permit appreciable tunneling for light incident at 42 degrees and for light incident at 4 degrees.
A 1.40 kg block is attached to a spring with spring constant 13 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 42 cm/s.
One end of a brass bar is maintained at 300°C, while the other end is kept at a constant but lower temperature. What is the temperature of the bar at a point 0.15 m from the hot end
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