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A 4.57 MeV alpha particle from radium226Ra decay makes a head-on collision with a uranium nucleus. A uranium nucleus has 92 protons.
a) What is the force on the alpha particle at the instant when it is at the distance of closest approach?
b) What is the distance of closest approach of the alpha particle to the center of the nucleus? Suppose that the uranium nucleus remains at rest and that the distance of closest approach is much larger than the radius of the uranium nucleus.
two loudspeakers a and b are separated by a distance of 2.0 m. the speakers emit sound waves at a frequency of 680 hz
The temperature coefficient of resistivity for the metal gold is 0.0034 (C°)-1, and for tungsten it is 0.0045 (C°)-1. find the percentage increase in the resistance in a tungsten wire
If the mass of the child and sled is 40 {rm kg}, what average force do you need to apply to stop the sled? Use the concepts of impulse and momentum.
In a Young's experiment using sodium light (λ = 589 nm), the slits are 1.2 µm wide. You notice that fringes 4, 8, etc. are missing. How many fringes appear on the screen
If a force vector has a magnitude of 2.61 newtons and points 64.5 degrees south of east, then what is its x-component?
Tarzan has foolishly gotten himself into another scrape with the animals and must be rescued once again by Jane. How high will Tarzan and Jane go on their first swing
A map suggests that Atlanta is d1 = 729 mi in a direction of ?1 = 5.05° north of east from Dallas. find the direction north of east of Dallas
A rifle of 8lb fires a bullet weighing 0.8oz which leaves the rifle with a muzzle velocity of 2000 ft/s. What is the recoil velocity of the rifle?
A copper beaker of mass 0.20 kg contains 0.10 kg of water at 20.0 C. A block of silver of mass 100 g at 90.0 C is added to the beaker of water. What is the heat lost by the silver
Six mass pieces of 100g each are placed on a mass holder of 140g which is hung from a string. Analyse the tension in the string.
q1. a curve of radius 40 m is banked for a design speed of 100 kmh. if the coefficient of static friction is 0.30 wet
When 5.30* 10^5 J of heat is added to a gas enclosed cylinder fitted with a light frictionless piston maintained at atmospheric pressure, estimate the work done by the gas
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