The x and y components of the shell where it explodes

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Reference no: EM1311819

Q1. An isolated copper sphere of radius 4.85cm, at first uncharged, is illuminated by ultraviolet light of wavelength 244nm. The work function for copper is 4.70 eV. What charge does the photoelectric effect induce on sphere?

Q2. An artillery shell is fired with an initial velocity of 300 m/s at 53° above the horizontal. To clear an avalanche, it explodes on a mountainside 37.5 s after firing. What is the x and y components of the shell where it explodes, relative to its firing point?

Reference no: EM1311819

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