What angle does drum rotate in coming to rest
A drum rotates around its central axis at an angular velocit of 12.60 rads/s. If the drum then slows at a constant rate of 4.20 rads/s2 (a) how much time does it take and (b) through what angle does it rotate in coming to rest?
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The scores of adults on an IQ are approximatly Normal with mean 100 and standard deviation 15. Corinne scores 110 on such a test. She scores higher than what percent of all adults.
A 6090 kg space prove moving nose-first toward Jupiter at 105 m/s relative to th sun fires it rocket engine, ejecting 80.0 kg of exhaust at a speed of 253 m/s relative to the space probe. What is the final velocity of the probe?
The superheated water vapor at 50 kPa and 100°C is compressed isentropically in a closed system to 4 MPa. Determine the final temperature of the water and the specific work required, win , in kJ/kg, for this compression.
Ammonia will react with oxygen in the presence of a copper catalyst to form nitrogen and water. At179°C the rate constant is 0.602 hr-1 g-1 and at164.5°C the rate constant is 0.141 hr-1 g-1. What is the activation energy of this oxidation
Carry your intermediate computations to at least three decimal places. Write your answer as a whole number (and make sure that it is the minimum whole number that satisfies the requirements).
Determine the amount of heat per unit mass leaving the condenser. Find the quality at the entrance to the condenser. Calculate the net work output. Find the thermal efficiency of the cycle.
An object has a kinetic energy of 312 J and a momentum of magnitude 21.8 kg⋅m/s. Find the speed and the mass of the object.
Develop the explicit finite difference formulation for this wall for the case of no heat generation but with the indicated solar flux.
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