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The amount of C-14 remaining in a charcoal sample from an archaeological site in New Mexico was determined to e 23.3% of the original quantity
What are the scientific principles that allow archaeologists to date charcoal, bone, or other organic materials that they find in archaeological contexts?
Find the magnitude of the car's average acceleration after it has completed one-fourth of the circle.
A 50 kg cannon shell is subjected to a constant acceleration of 1200 g while in the cannon barrel. What force is the burning propellant exerting on the shell?
I would like some information as to the pros and cons of radioactive waste. I would like more info on the pros of using nuclear energy to meet our high-energy
The masses in the table are in kg, but the input data are in grams, so make the necessary conversions. The first row has been completed for you.
A ?° meson with momentum 135 GeV/c decays into two photons. lt the mean life of a ?° is 8.5 x10-17 sec, calculate to 10% accuracy
When a bucket of water is swung in a vertical circle, the water will remain in the bucket if the velocity is kept high enough.
Which of the following three types of radiation is the most penetrating?
Two soccer players start from rest, 49.0 m apart. They run directly toward each other, both players accelerating.
I saw a stunt in which a clown fired out of a cannon and landed in a speeding toy fire engine which was racing away from him.
Bernoulli's equation determines ejection velocity of liquid from a tank. Motion equations find x,y coordinates of impact of the liquid.
Which radioactive emanations have a charge of -1?
Find the difference in pressure between two points, if one point, in the smaller pipe is 8 meters above the point in the larger pipe.
An X-ray source of unknown wavelength is directed at a carbon sample. An electron is scattered with a speed of 4.5x107m/s at an angle of 60°.
An object moving to the right at 0.8c is struck head-on by a photon of wavelength lambda, moving to the left.
The speed of light is 2.998 * 10 ^8 m/s. Find the ratio of the total energy to the rest energy of a particle of rest mass m0 moving with speed 0.26 c.
A marble and a cube are placed at the top of a ramp. Starting from rest at the same height, the marble rolls and the cube slides (no kinetic friction).
A simple way to measure the speed of a bullet is with a ballistic pendulum. This consists of a wooden block mass, M, into which the bullet mass, m, is shot.
Can you show that the momentum P and the kinetic energy T of a particle of rest mass M can be related by: P^2=2TM+T^2.
A gun is fired at a target 12km away at an angle of 35deg and hits target.How long is the projectile in the air and what's it's velocity?
Both the Coulomb law and gravitational forces lead to potential energies of the form U = ?/x r1 - r2x, ? where denotes kq1q2 in the case of the Coulomb force
A 2100.00 kg car moving at 27.50 m/s hits an initially uncompressed horizontal spring with spring constant of 1.60à?10^6 N/m.
During a takeoff a small plane has an average tangential acceleration of 5.0 m/s^2 and travels for 20 s before becoming airborne.
Where does the graph of the equation y=mx+b cross the x-axis?