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A Sodium atom(mass=3.84 *10^-26kg) has its velocity increased from 100 to 101 by a 589-nm photon and the question is approximately how many photons are needed to hit each atom in order to produce the desired velocity boost. It's a Quantum Physics question if that helps.
What are the electric field strengths E1 to E3 at distances 1.0 cm, 2.0 cm, and 3.0 cm from the glass rod along the line connecting the midpoints of the two rods?
Use the small-angle formulas = (θ ×d)/206,265 to answer the following question: What is the actual diameter in light-years of the Cat's Eye Nebula if its angular diameter (arcseconds) = 20 and its distance (light-years) = 3,300?
Will the car hit the barricade
Two converging lenses, separated by a distance of 40.5 cm, are used in combination. The first lens, located to the left, has a focal length of 15.7 cm. Find the intermediate image distance relative to the corresponding lenses
Certain natural forms of potassium have nuclei that are radioactive. Each radioactive potassium nucleus decays to a slightly less massive daughter nucleus and a high-speed electron called a beta particle.
Two plates separated by a distance 18.3 mm are charged to a potential difference of 7.25 volts, Using the concept of work-energy, calculate the change in kinetic energy
Calculate the energy (in MeV) released when α decay converts thorium 228Th (atomic mass = 228.028715 u) into radium 224Ra (atomic mass = 224.020186 u). The atomic mass of an α particle is 4.002603 u.
a compact disc undergoes 30 revolutions as it accelerates uniformly from rest to 5 revolutions per second.what is the
the edge of a cube consist of equal resistors of resistance r which are joined at the orners let a battery be connected
Aparallel-plate capacitor has square plates of edgelength 1.2 cm and a platespacing of 0.11 mm. If the gap between the plates is filled with mica, what is the capacitance?
A wagon is coasting at a speed vA along a straight and level road. When thirty-four percent of the wagon's mass is thrown off the wagon, parallel to the ground and in the forward direction, the wagon is brought to a halt. If the direction in which th..
A 6061-T6 aluminum-alloy rod 4 in long is supported at one end so that its other end provides a gap of 0.002 in with the end of a yellow brass rod 6 in long.
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