vcosθ Fc (v cos ✓)2 Fc = r N mgcosθ Fk ma = mg sin ✓ µm cos ✓ r g2 v 4 cos2 ✓ + r2 a=0 2 2 v= g r cos2 ✓ ✓ 2 tan ✓ µ2 ◆! 14 1 v>0 v0 v1 v12 = 2gx p v1 = 20 [m/s] v2 02 v22 = 2gx p v1 = 3.2 [m/s] e e= v2 = 0.40 v1 Qw T T (T + T) (T + 2.0) = T 2.0 [K] Qc Qc = 5.0 ⇥ C ⇥ T = 33.6 [J] k Wex Wi x0 x2 O x0 x1 x0 Wi = 33.6 [J] I -70[mV] -70[mV] Q ΔV = 100[mV] ΔQ II R W 1/2 16 R5 = 32R0 R
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