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1. Define the following terms:a. Radioactive half-lifeb. Correspondence principlec. Schrodinger wave equationd. de Broglie matter waves
2. Explain how "carbon dating" is used to establish the age of nonliving things.
3. State the number of neutrons and protons in each of the following nuclei:a. 11 Hb. 17979 AUc. 146 Cd. 23992 U
4. When radium 226 decays emitting an alpha particle, what is the atomic number and atomic mass of the resulting nuclei?
5. If a sample of a radioactive isotope has a half-life of 3 years, how much of the original sample will be left at the end of:a. 3 years?b. 6 years?c. 9 years?d. 15 years?
6. Define the following terms:a. Quarksb. Nucleonc. Lepton
7. How are radioactive isotopes produced?
8. What is a radioactive tracer?
you want to lift a 500-lb object with a lever. you can place a falcrum under a long board a distance of 1.5 ft from the object. how long is the board (total length) needed to lift the object
A 64.5 kilogram canoeist stands in the middle of her canoe. The canoe is 3.5 meter long, and the end that is closest to land is 2.5 meter from the shore. Determine what is the canoe mass
In a women's 100-m race, accelerating uniformly, Laura takes 1.81 s and Healan 3.06 s to attain their maximum speeds, which they each maintain for the rest of the race.
A 2.26 kg block is on a plane inclined at 22.4 degrees with respect to the horizontal. How many forces are acting on the block
A square, 0.141 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. What is the magnitude of the maximum torque that such a force could produce
An acre-foot is the volume of water that would cover 1 acre of flat land to a depth of 1 foot. How many gallons are in 1 acre-foot
A 60.2 cm long straight section of wire is located entirely inside a uniform magnetic field of |B| = 0.430 T. Calculate the size of the current
Average Length is calculated from 40 measurements as 9589[cm]; but the standard deviation is 800[cm]. What is the proper way to report the average measurement
A plane accelerates from rest at a constant rate of 5.00m/s2 along a runway that is 1800m long. What is the time tTO needed to take off
a solid cylinder (M=2.07 kg, R=0.117 m) pivots on a thin, fixed, frictionless bearing. Calculate the angular acceleration of the cylinder
two small charged balls have a repulsive force of 0.12n when they are separated by a distance of 0.70m. the balls are
A 1.50 kg mass attached to a spring oscillates with a period of 0.365 s and an amplitude of 15.5 cm. Find the maximum speed of the mass
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