Homework Answers
Answer #1
Pressure at point c = P_C - P_A - s_1gh_1 - s_2g(h_2 - h_1) so, P_C = 165 - 725 times 10 times 0.28 - 1225 times 10(0.4) -6765Pa P_C = P_D (at same level in same liquid.) similarly P_D = P_E P_F = P_E - s g(h_3 - h_2) -6765 - 1725 times 10(0.4) -13665 P_a Now, P_F = P_G so, P_B = P_G + s_4 g(h_3 - h_4) = -13665 + 2225 times 10(1.08 - 0.48) -13665 + 13350 -315 Pascal Pressure at point c = P_C - P_A - s_1gh_1 - s_2g(h_2 - h_1) so, P_C = 165 - 725 times 10 times 0.28 - 1225 times 10(0.4) -6765Pa P_C = P_D (at same level in same liquid.) similarly P_D = P_E P_F = P_E - s g(h_3 - h_2) -6765 - 1725 times 10(0.4) -13665 P_a Now, P_F = P_G so, P_B = P_G + s_4 g(h_3 - h_4) = -13665 + 2225 times 10(1.08 - 0.48) -13665 + 13350 -315 Pascal Pressure at point c = P_C - P_A - s_1gh_1 - s_2g(h_2 - h_1) so, P_C = 165 - 725 times 10 times 0.28 - 1225 times 10(0.4) -6765Pa P_C = P_D (at same level in same liquid.) similarly P_D = P_E P_F = P_E - s g(h_3 - h_2) -6765 - 1725 times 10(0.4) -13665 P_a Now, P_F = P_G so, P_B = P_G + s_4 g(h_3 - h_4) = -13665 + 2225 times 10(1.08 - 0.48) -13665 + 13350 -315 Pascal
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