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A proton is fired from far away toward the nucleus of agold atom. Gold is element number 79, and the diameter of thenucleus is 15 fm. (1 fm 5 10215 m.) What initial speed does theproton need to just reach the surface of the nucleus? Assume thenucleus remains at rest.
In living tissue, about one out of every 10-12 carbon atoms are the 14C isotope. If you were to discover a human bone with a 14C occurrence of one out of every 10-14 atoms
A satellite in Earth orbit has a mass of 91 kg and is at an altitude of 1.97 x 10^6 m. What is the potential energy of the satellite%u2013Earth system
Two concentric circles of light emit light whose wavelength is 530 nanometers. Obtain what is the maximum distance at which the camera can distinguish one circle from the other
the velocity of an airplane is 50km/hr due north. the plane the plane flies into a cross wind of 50km/hr due east at a right angle
A 2.20-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.10 m down the incline in 1.60 s. Find the friction force acting on the block
A proton orbits a long charged wire, making1.2106revolutions per second. The radius of the orbit is1.4cm. What is the wire's linear charge density
Electron acquires 5x10^-16 kinetic energy when it is accelerated by an electric field from Plate A to Plate B, what is the potential difference Vba between the two plates
A horizontal bar of negligible weight has a 55.10 lb weight hanging from the left end and a 72.0 lb weight hanging from the right end. The bar is seen to balance 97.50 in from the left end. Find the length of bar.
If the centripetal force applied to a body moving in a uniformcircular motion is suddenly turned off, describe the subsequenttrajectory of the body.
A lightbulb has a resistance of 260 when operating witha potential difference of 130 V. What is the current in the light bulb
What is the maximum wavelength of electromagnetic radiation that can cause a transition? nm In what part of the spectrum is this?
the plate separation of a charged capacitor is 0.1031 m. a proton and an electron are released from rest at the
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