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Answers to in-chapter questions. Chapter 1 (pdf) Chapter 2 (pdf) Chapter 3 (pdf) Chapter 4 (pdf) Chapter 5 (pdf) Chapter 6 (pdf) Chapter 7 (pdf) Chapter 8 (pdf ...
Solution: Elastic collisions conserve both momentum and kinetic energy. Inelastic collisions conserve only momentum. However, total energy is conserved, since some
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Apr 2, 2019 · 2. m1 = 0.145 kg m2 = 3.00 g v2 = 1.50 × 10 3 m/s 3. m = 0.42 kg vi = 12 m/s downfield vf = 18 m/s downfield ∆t = 0.020 s a. m1v1 = m2v2 v1 = ⎯ m m 2v 1 ⎯2 == b. KE1 = ⎯ 1 2 ⎯m1v1 2 = ⎯1 2 ⎯(0.145 kg)(31.0 m/s)2 = 69.7 J KE2 = ⎯ 1 2 m2v2 2 = 1 2 (3.00 × 10−3 kg)(1.50 × 103 m/s)2 = 3380 J KE2 > KE1 The bullet has greater ...
Physics 30 Worksheet # 3: Conservation of Momentum (1) 1. A 2.50 kg ball moving at 7.50 m/s is caught by a 70.0 kg man while the man is standing on ice. How fast will the man / ball combination be moving after the ball is caught by the man? 2. A 1200 kg car traveling North at 20.0 m/s collides with a 1400 kg car traveling South at 22.0 m/s. The
AP Physics 1- Momentum, Impulse, and Collisions Practice Problems ANSWERS FACT: The product of mass and velocity is a vector quantity known as momentum ( ⃗). The equation for linear momentum is ⃗=𝑚𝑣⃗ and has the units kg· 𝑚 , which can also be written as a newton-second (N·s). Now take Newton’s second law 𝐹⃗
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