What height should the rock be dropped
A rock is dropped from rest from a height h above the ground. It falls & hits the ground with a speed of 11m/s. From what height should the rock be dropped so that its speed on hitting the ground is 22m/s? Neglect air resistance.
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Consider two values, r = 0.08 and r = ?0.58. Describe them in relationship to each other. Describe the clinical importance of both r values.
If the compression ratio is 10 while operating with a low temperature of 200oC and a low pressure of 200 kPa. Determine the maximum thermal efficiency. What will be the Carnot cycle efficiency?
A +6.1 µC charge is placed at the origin and a -3.8 µC charge is placed at x = 25 cm. At what coordinates can a third charge be placed so that it experiences no net force?
Using all possible predictors select a model using forward regression. Using all possible predictors select a model using backward elimination.
A steam power plant is proposed to operate between a pressure of 10 kPa and 2 MPa with a maximum temperature of 400 oC.
A model rocket is launched straight upward with an initial speed of 50.7 m/s. It accelerates with a constant upward acceleration of 2.10 m/s2 until its engines stop at an altitude of 133 m. What is the maximum height reached by the rocket?
Assuming that gasolineis pure octane, C8H18, and has a density of0.703 g/ml, how many liters of CO2 gas will be producedat STP from the consumption of 3.20 gallons of gasoline ?
Using continuity, momentum, and energy equations along with perfect gas law, Show how the flow at station 2 may be determined from conditions at station 1.
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