Find average impulsive force exerted by wall on car bumper
A 2500 lb car moving with a velocity of 3 mi/h hits a garage wall and is brought to rest in 0.05 s . Determine the average impulsive force exerted by the wall on the car bumper.
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Steam at 10,000 kg/h passes through an adiabatic turbine from an initial state of 100 bars, 500 degrees C to a final state of 15 bars and 250 degrees C. Determine the isentropic efficiency.
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An adiabatic air compressor receives ambient air at 300K and 100 kPa, and compresses it to 1000 kPa. Determine the actual exit air temperature.
A solenoid with 500 tunrs per cm, length 18cm, radius of r=10mm and a resistance of R=20 . The coil carries a current i=2A . What is the rate of change of the current in the coil ?
A reversible-adiabatic (ideal) CO2 diffuser operates between 200 kPa and 300 kPa. The inlet temperature and velocity are 300 K and 250 m/s respectively. Determine the exit temperature and enthalpy.
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A 50-Mg railroad car moving with a velocity of 3 km/h is to be coupled to a 30-Mg cae which is at rest determine the final velocity of the coupled cars.
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