Physics of Astronomy Tuesday, winter week 2 (17.Jan.06)

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Presentation transcript:

Physics of Astronomy Tuesday, winter week 2 (17.Jan.06) Physics: Kinematics Math-A: Giancoli Ch.2 Math-B: Giancoli Ch.3,4,6 review Demo DVDs Minilectures and HW setup Looking ahead

Phys.A: Giancoli Ch.2: Kinematics Position x(t) Velocity v(t) = dx/dt Acceleration a(t) = dv/dt = Team 1: #16 Team 2: #28 Team 3: #54 (a) Team 4: #54 (b) Team 5: #68

Looking ahead:

Phys.B: Giancoli Ch.3: Projectile and Circular motion F = ma in 2D: F = Fx i + Fy j where Fx = m ax and Fy = m ay. Uniform circular motion: a = v2/r Team 1: #24 Team 2: #56 Team 3: #62

Phys.B: Giancoli Ch.4: Newton’s Laws N1: Every body continues in its state of rest or of uniform speed in a straight line as long as no force acts on it. N2: F=ma (Ex. 4-15) N3: Whenever one force exerts a force on a second object, the second exerts an equal and opposite force on the first. Each team choose one: #5, 21, 34, 40, 55, 72

Phys.B: Giancoli Ch.6: Gravity F = GmM/r2 Force on m is F = ma a = v2/r Solve for period T v=2pr/T Each team choose one: (p.151) 4,6,8,11,13,14,18; (p.152) 22,27,28,36,38; (p.153) 42, 47, 53, 54, 57, 59; (p.154) 60, 62