1
Q
Elastic collisions
A
- Total momentum conserved
- Total kinetic energy is conserved
- uA − uB = vB − vA
2
Q
Two identical spheres collide elastically. Initially, X is moving with speed v and Y is stationary. What happens after the collision?
A
- X stops and Y moves with speed v:
- (relative velocity before collision) - (relative velocity after collisions
Physics_AS
flashcards
Decks in class (67)
# Cards
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1.1. Physical Quantities14
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1.2. SI Units14
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1.3. Systematic & Random errors0
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1.4. Scalars and Vectors2
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2.1 Kinematics equations4
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2.2. Kinematics concepts5
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2.3. Linear Motion6
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2.4. Non-Linear Motion2
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2.5. Motion of Freefalling Bodies3
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2.6. Determining Acceleration of Free Fall1
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2.7. Projectile motion0
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2.8. Motion of a Skydiver1
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3.1. Newton’s laws of motion3
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3.2. Momentum6
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3.3. Mass and Weight4
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3.4. Elastic Collisions2
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3.5. Inelastic Collisions1
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3.6. Collisions in Two Dimensions0
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4.1 Forces, Density, Pressure17
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4.2. Pressure in Fluids7
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5.1 Work, Energy, Power1
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5.2. Work Done2
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5.3. Gravitational, Elastic and Electric Potential Energy3
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5.4. Deriving Gravitational Potential Energy2
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5.5. Deriving Kinetic Energy2
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5.6. Internal Energy4
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5.7. Power and Efficiency3
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6.1. Compressive and Tensile Forces3
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6.2. Hooke’s Law3
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6.3. Determining Young’s Modulus0
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6.4. Stress, Strain and Young’s Modulus0
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BLOCKER1
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7.1 Waves0
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7.2. Deducing Wave Equation0
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7.3. Phase Difference0
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7.4. Intensity0
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7.5. Transverse and Longitudinal waves0
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7.6. The Doppler Effect0
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7.7. Electromagnetic Waves0
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8.1. Principle of Superposition0
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8.2. Interference and Coherence0
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8.3. Two-Source Interference0
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8.4. Formation of Stationary waves0
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8.5. Stationary Wave Experiments0
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8.6. Stationary and Progressive Waves0
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8.7. Diffraction0
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8.8. Double-Slit Interference0
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8.9. Diffraction Grating0
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9.1 Electricity0
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9.2. Current-Carrying Conductors0
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9.3. Current-P.D. Relationships0
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10.1 D.C. Circuits0
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10.2. Potential Difference and Electromotive Force0
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10.3. Internal Resistance0
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10.4. Kirchhoff’s 1st Law0
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10.5. Kirchhoff’s 2nd Law0
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10.6. Deriving Effective Resistance in Series0
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10.7. Deriving Effective Resistance in Parallel0
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10.8. Potential Divider0
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10.9. Potentiometers0
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11.1. Geiger-Marsden0
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11.2. The Nuclear Atom0
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11.3. Nuclear Processes0
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11.4. Radiations0
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11.5. Types of Decays0
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11.6. Fundamental Particles0
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11.7. Particle Families0
