(1) Sano [ F=800 mathrm(H) delta=50 mathrm(M) Q-? ] (2) Dano! [ m=4,8 mathrm(~m) V=8,4 / c Q-? ] (3) [ m=105 mathrm(~m) t=35^circ mathrm(C) E ? ] (4) [ m=50 mathrm(~m) h=5 mathrm(~m) g=10 mathrm(~m) / mathrm(m) ]

(1) Sano To find the heat (Q), we can use the formula: Substituting the given values: (2) Dano! To find the heat (Q), we can use the formula: Substituting the given values: (3) Substituting the given values: (4) To find the potential energy (E), we can use the formula: Substituting the given values: