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Moving frame. In a railroad car traveling at .500 cm/s along a straight track, a head-on collision takes place between a 100-g mass moving with velocity 100 cm/s in the same direction as the train and a .50-g mass moving in the opposite direction at .500 cm/s. Both velocities are relative to the train. After the collision, in the car the ,50-g mass is at rest; what is the velocity of the IOO-g mass? How much kinetic energy has been lost?
Now describe the collision from the point of view of an observer at rest by the track. Is momentum conserved? How much kinetic energy is lost in this frame?
Make a sketch (to scale) of the pitch cones of the two gears in mesh. Show the back cones of each gear and label the pitch cones and the back cones.
a converging nozzle with an exit area of 0.05 m2 is connected to a reservoir containing air with a stagnation pressure
As fresh poured concrete hardens, the chemical transformation releases energy at a rate of 2 W/kg. Assume the center of a poured layer does not have any heat loss and that it has an average heat capacity of 0.9 kJ/kg K. Find the temperature rise d..
crosslinked copolymers consisting of 60 wt ethylene and 40wt propylene may have elastic properties similar to those
You are given a 10-mH inductor and 2 capacitors,of 5.0 and 2.0-MF capacitance .list the resonant frequencies that can be generated by connecting these element in various combinations
16SMCE310 / 16SCVE310 :Employers are constantly asking for engineering graduates who have good team skills, are problem solvers and are good communicators. On top of that, engineers need to be creative and innovative. They have to work with many c..
1. Answer the following true or false. (a) A process that violates the second law of thermodynamics violates the first law of thermodynamics.
if ice homogeneously nucleates at -40 degrees c calculate the critical radius values of 3.1 x 108 jm3 respectively for
A piston-cylinder device initially contains 50L of liquid water at 40 degrees C and 200kPa. Heat is transferred to the water at constant pressure until entire liquid is vaporized.
the basketball player likes to release his foul shots with an initial speed v0 23.5ftsec. what values of the initial
it is desired to inflate a baggie with a volume of 904 milliliters by filling it with oxygen gas at a pressure of 0.865
What is the cross sensitivity of a sensor? Indicate how the anisotropy of piezoelectric crystals (i.e., charge sensitivity quite large along one particular crystal axis) is useful in reducing cross-sensitivity problems in a piezoelectric sensor.
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