Determining the maximum height reached by the rocket
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?
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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 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.
A steam power plant is proposed to operate between a pressure of 10 kPa and 2 MPa with a maximum temperature of 400 oC.
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.
Two containers are at the same temperature. The first contains gas with pressure p1, molecular mass m1, and root-mean-square speed vrms1. The second contains gas with pressure p2, molecular mass m2, and average speed vavg2. Find the mass ratio m1/
A radioactive isotope of phosphorous has a half-life of 14.3days. What fraction of the initial sample of the phosphorous radioisotopewill remain after 95 days?
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