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An electron and a proton are detected in a cosmic ray experiment, the first with kinetic energy 10 keV, and the second with 100 keV. Which is faster, the electron or the proton? Obtain the ratio of their speeds, (electron mass = 9.11 x 10-31 kg, proton mass = 1.67 x 10-27 kg, 1 eV= 1.60 x 1019J).
Related Questions
Suppose some electricity is flowing through a long straight wire without any insulating coating that gives an electric shock to a person at rest relative to the wire on touching it. Is there a speed with which if the person runs along the wire in the direction of current flowing such that he/she does not experience any shock?
What are vectors?
According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
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