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If there was a wooden artifact found in an ancient tomb and It's carbon-14 (14 6 C) activity was measured to be 60.0% of that in a fresh sample of wood from the same region and assuming the same amount of carbon-14 was initially present in the wood from which the artifact was made, how can it's age be determined?
A near-sighted person might correct his vision by wearing diverging lenses with focal length f = -60cm. use ray tracing to determine the height of the image
Car C of mass 0.300 ± 0.001 kilogram has a speed of 2.12± 0.03 m/s and moves in the positive X direction. Find the total initial kinetic energy with uncertainty
An object at rest on a flat, horizontal surface explodes into two fragments, one seven times as massive as the other. Determine how far does the lighter fragment slide
A force with a magnitude of 452N is used to bring an object with a mass of 56.0 kg moving at a velocity of 155m/s. How long will it take to bring the object to a full stop.
a hydroelectric turbine generator produces an electric power of 20 mwmegawatts. water enters the turbine penstock at
The New England Merchants Bank Building in Boston is 152 m high, What is the total distance, side to side, that the top of the building moves during such an oscillation
A 5.00 g bullet moving at 624 m/s strikes a 720g wooden block at rest on a frictionless surface. What is the resulting speed of the block
What is the effect of thermal insulation on cooling
A monatomic ideal gas that is initially at a pressure of 1.41 * 10^5 Pa, How much work is done by the gas during the compression
A steel tank contains 314 g of ammonia gs (NH3 with molar mass 17.0 g/mol) at a pressure of 1.55 x 106 and a temperature of 51.4oC. What is the volume of the tank in liters
Standing at a crosswalk, you hear a frequency of 520 Hz from the siren of an approaching ambulance. After the ambulance passes, the observed frequency of the siren is 455 Hz. Determine the ambulance's speed from these observations.
The drill bit of the variable-speed electric drill of radius 0.03 m has constant angular acceleration 2.5 rad/s^2. The initial angular speed of the bit is 4 rad/s. What is the angular speed after 4 seconds and angle has the bit turned through that ti..
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