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On a frictionless horizontal surface below, a 1.5 kg mass traveling at 2.5 m/s collides with and sticks to a 3 kg mass that is initally at rest, as shown in the figure below. This system then runs into an ideal spring of force constant 50.0N/cm.
a) What will be the max compression of the spring?
b) How much mechanical energy is lost during this process? During which parts of the process ( the collision and compression of the spring) is this energy lost?
Refrigerant-134a enters a compressor at 180 kPa as a saturated vapour with a flow rate of 0.35 m3/min and leaves at 700 kPa. The power supplied to the refrigerant during compression process is 2.35 kW. What is the temperature R-134a at the exit of th..
A challenge gaining prominence throughout the planet is the increased need for \"green\" or sustainable energy. how much energy does the wind turbine generate
A car of mass 960 travels at a speed of 30 along the straight road. The driver sees a red traffic light ahead, and applies brakes. The coefficient of friction between the car tyres and the road is 0.88. Take the acceleration due to gravity to be 9.80..
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A force that varies linearly with time according to a relation F = 4t N is applied to an object travelling with a speed of 16-m/s. If the force decelerates the object to a complete stop in 5s, determine the object's mass. Imagine the force is at f..
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The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.800, and the log has an acceleration of 0.800 m/s2. Find out the tension in the rope.
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