I. Choose the Correct Answer 1. A particle moves with position given by r ti j = 3 ˆ + 4 ˆ v , where r v is measured in meters when t is measured in seconds. For each of the following, consider only t > 0. The magnitude of the angular momentum of this particle about the origin is ( B )
4-1 Momentum Impulse Momentum Theorem动量冲量动量原理 4-2 Conservation of Momentum动量守恒定律 4-3 Collision碰撞 4-4 Angular Momentum of a Particle and Conservation of Angular Momentum质点对定点的角动量角动量守恒定律
The zeroth law of thermodynamics: The expression of the fundamental experiment fact. The first law of thermodynamics: The a statement of conservation of energy for pure thermodynamic system. The second law of thermodynamics: Why we need the second law of thermodynamics?
24-1 Two kinds of processes and entropy 24-2 Entropy change for reversible processes 24-3 Entropy change for irreversible processes 24-4 The second law of thermodynamics 24-5 Entropy and the performance of engines 24-6 Entropy and the performance of refrigerators 24-8 The second law revisited 24-9 A statistical view of entropy
5-1 Motion of Rigid body刚体的平动、转动和定轴转动 5-2 Torque The Law of Rotation rotational Inertia力矩刚体定轴转动定律转动惯量 5-3 Applying the Law of rotation转动定律的应用 5-4 Kinetic Energy and Work in Rotational Motion定轴转动的动能定理 5-5 Angular Momentum of a rigid Body Conservation of Angular Momentum定轴转动的刚体的角动量定理和角动量守恒定律