Math Question of the week (4)

Consider the arithmetic sequence 2, 5, 8, 11, .......

a. Find U<sub>101

b. Find the value of n so that</sub> U_{n = 152.}

Answer Key for Math question of the week (3)

a.  6C4 (0.4)^4 (0.6)^2 = 0.13824


b. (0.6)(0.6)(0.4) = 0.144

Answer Key for Physics question of the week (2)

a. v = (3050)(-4) - (1750)(15) / (1300)
      = -30 m/s (or 30 m/s west)


b. p = (1750)(-4 - 15)
       = -33000 Ns


c. Inelastic