(d) The potential energy there is UUUfi=+=Δ675.J.(e) If Uf= 0, then Uif=−=−Δ.(f) Since mg yUΔ=Δ, we obtain 0.459 myΔ=.74. (a) The initial kinetic energy is Ki==12215 3..bgb gJ. (b) The work of gravity is the negative of its change in potential energy. At the highest
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.