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Suppose the grand unified theory (GUT) was correct and the half-life of a proton was 1.2Af-1035y.
Part A. Estimate the decay rate of a liter of water in decays per second. Express your answer using two significant figures.
Part B. Estimate the decay rate of a liter of water in curies.Part C. How does this compare to a small (by laboratory standards) radioactive source of one microcurie?
Batman attempts to hide out in a Batbox. The top is a mirrored surface, but the vertical sides are made of clear Batplastic. What is the minimum depth (measured to the top of the Batbox) that the Batbox can be below the surface of the water for the ..
question a capacitor with an initial potential difference of 144 v is discharged through a resistor when a switch
in 17.69 seconds you compress a spring of spring constant 153.33 N/m from its equilibrium length of 6.5 cm to a length of 18.16 cm. What is your average power
a 90kg box is pushed by a horizontal force F at a constant speed up a ramp inclined at 28 degrees. Determine the magnitude of the applied force
The escape speed from a distant planet is 40 km/s. If theacceleration of gravity on the planet surface is 12.5m/s2, what is the radius of the planet
On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short distance. How large is the force that the catapult must exert on the jet
A 3.3 block of wood sits on a table. A 3.0 bullet, fired horizontally at a speed of 480, goes completely through the block, emerging at a speed of 200 .What is the speed of block immediately after the bullet exits.
You've been given the task of designing a "water couch"-that one could lie on, floating on a lake, for instance-in the form of a flat rectangular slab made of Styrofoam with a density of 85 kg/m 3. Explain why he will not be able to breathe that wa..
A student is running her top speed of 4.8m/s to catch a bus, which is stopped at the bus stop. how fast is the bus traveling
A spaceship ferrying workers to Moon Base I takes a straight-linepath from the earth to the moon, a distance of384000 {\rm km}. what total time is required for the trip
In a specific heat experiment 212.0 grams of aluminum (C=913.0 J/kg.K) at 100.0°C) is mixed with 64.0 g water at 20.0°C. Find the entropy change of the aluminum
A flat bi-metallic strip consists of alluminium riveted to a strip of iron. When heated, the strip will bend. Which metal will be on the outside of the curve? Why?
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