To what amount of mass is the energy equivalent
Radium is a radioactive element whose nucleus emits an alpha particle (a helium nucleus) that has a kinetic energy of about 6.8 × 10-13 J (4.2 MeV). To what amount of mass is this energy equivalent?
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Find compare the torsional strength and stiffness of this square tube with and without the longitudinal slot (use open section membrane analogy vs. shear flow)
Sketch a fatigue crack growth curve based on the Paris law. How does a change in the ratio of the minimum stress/maximum stress affect the threshold values?
How far away from the highway would you need to build a house so that the noise from the highway is no louder than the rustle of leaves on the front lawn (10 dB)? Assume that the highway noise spreads out uniformly in all directions. You answer sh
Air is compressed in a piston-cylinder device from 90 kPa and 22 deg Celsius to 900 kPa in a reversible, adiabatic process. Determine the final temperature and the work done during this process, assuming (a) constant specific heats and (b) variabl
Assume that Google is hiring employees on the different business days of the week Monday through Friday with equal likelihood.
The radiator of a car is a heat exchanger that uses air to cool the coolant (assume water) from the engine. The heat that must be transferred to the air is 150 kW and the coolant experiences a 10 C change in temperature as it passes through the ra
Because the final exam is so important she plans to use redundancy by bringing in 2 TI-84 calculators. What is the probability that she will be able to complete her exam with a working calculator? Does she really gain anything by bringing in 2? Ex
The vale is open and the two gases are allowed to mix thoroughly until both the temperature and pressure are the same in both tanks. a) Determine the final temperature and pressure.
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