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The velocity distribution for the flow of crude oil at 100?F (μ=8x10-5 lbf•s/ft2) between two walls is given by u = 100y(0.1 – y) ft/s, where y is measured in feet and the space between the walls is 0.1 ft. Plot the velocity distribution and calculate the shear stress at the walls.
Dennis, driving his 600 kg car, makes a 90 degree turn. His speed before the turn is 15.0 m/s and after the turn are 20 m/s. What is the magnitude of the change in car's momentum.
A 790-kg object and an 889-kg object are separated by 11.0 m. At what position (from the less massive object) can the 260-kg object be placed so as to experience a net force of 10 N towards the less massive object.
What is the smallest distance required to stop the plane
Problem on a hare and a tortoise battle
Compute the amplitude and phase at the observation screen
Determine magnitude of the force
How much energy is necessary to bring the system back
A 2.47 kg steel ball strikes a massive wall at 11.7 m/s at an angle of alpha = 67.2° with the plane of the wall. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.218 s, what is the magnitude of average force..
W hat is balls initial speed
Then find the force between them as a function of distance h. describe why the sign of the force does (or does not) make sense to you.
What is momentum of a truck speeding down the highway at a given instant? Discuss how the momentum is changed if the truck loses some of its cargo while maintaining the same velocity.
What is the kinetic energy of an ideal projectile of mass 15.3 kg at an apex (highest point) of its trajectory, if it was launched with an initial speed of 42.5 m/s and an initial angle of 41.5° respecting the horizontal.
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