Find the speed of the cars after collision
A railroad freight car weighing 282 kN and traveling at 1.51 m/s overtakes one weighing 211 kN and traveling at 0.914 m/s in the same direction. The cars couple together. Find the speed of the cars after collision.
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A train 500 m long is moving on a straight track with a speed of 82.0 km/h. The engineer applies the brakes at a crossing, and later the last car passes the crossing with a speed of 15.3 km/h. Assuming constant acceleration, determine how long th
A 15 g rifle bullet traveling 235 m/s buries itself in a 3.4 kg pendulum hanging on a 2.7 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement?
Develop a flowchart to represent the logic required to calculate the pay for an employee based on his class, sales, and insurance status.
Discuss how JRP may significantly decrease the amount of systems development time. Why might an organization choose to use a JRP leader from outside the company?
Please convert this into relational algebra expression.
You have a list of contracts and due dates for annual maintenance fees. You wish to determine when you have a contract coming due in the next 45 days and provide a note that warns you that the payment is coming due.
Three equal point charges, each with charge 1.50 mu C, are placed at the vertices of an equilateral triangle whose sides are of length 0.600 m. What is the electric potential energy U of the system?
If the electron enters the plates directly in the middle, then what is the y-distance displacement of the electron as it leaves the plates?
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