1
Q
How is momentum conserved in an explosion?
A
» Objects move in opposite directions
» Each with their own momentum
» However, momentum is a vector quantity
» Therefore momentum cancels out
» Total momentum before = total momentum after
AQA Physics Year 1
flashcards
Decks in class (86)
# Cards
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1.1 Inside the atom36
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1.2 Stable and unstable nuclei24
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1.3 Photons16
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1.4 Particles and antiparticles27
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1.5 Particle interactons36
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2.1 The particle zoo13
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2.2 Particle sorting10
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2.3 Leptons at work8
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2.4 Quarks and antiquarks36
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2.5 Conversation rules14
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3.1 The photoelectric effect27
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3.2 More about photoelectricity21
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3.3 Collisions of electrons with atoms30
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3.4 Energy levels in atoms19
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3.5 Energy levels and spectra14
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3.6 Wave-particle duality16
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4.1 Waves and vibrations39
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4.2 Measuring waves14
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4.3 Wave properties 119
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4.4 Wave properties 215
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4.5 Stationary and progressive waves18
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4.6 More about stationary waves on strings18
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4.7 Using an oscilloscope18
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5.1 Refraction of light11
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5.2 More about refraction7
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5.3 Total internal reflection27
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5.4 Double slit interference22
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5.5 More about interference14
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5.6 Diffraction13
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5.7 The diffraction grating13
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6.1 Vectors and scalars11
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6.2 Balanced forces5
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6.3 The principle of moments9
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6.4 More on moments2
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6.5 Stability9
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6.6 Equilibrium rules7
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6.7 Statics calculations1
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7.1 Speed and velocity22
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7.2 Acceleration6
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7.3 Motion along a straight line at constant acceleration5
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7.4 Free fall1
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7.5 Motion graphs4
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7.6 More calculations on motion along a straight line1
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7.7 Projectile motion 110
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7.8 Projectile motion 23
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8.1 Force and acceleration8
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8.2 Using F = ma5
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8.3 Terminal speed8
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8.4 On the road7
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8.5 Vehicle safety4
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9.1 Momentum and impulse13
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9.2 Impact forces7
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9.3 Conservation of momentum3
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9.4 Elastic and inelastic collisions4
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9.5 Explosions1
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10.1 Work and energy10
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10.2 Kinetic energy and potential energy5
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10.3 Power5
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10.4 Energy and efficiency3
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11.1 Density0
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11.2 Springs0
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11.3 Deformation of solids0
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11.4 More about stress and strain0
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12.1 Current and charge0
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12.2 Potential difference and power0
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12.3 Resistance0
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12.4 Components and their characteristics0
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13.1 Circuit rules0
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13.2 More about resistance0
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13.3 Electromotive force and internal resistance0
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13.4 More about circuit calculations0
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13.5 The potential divider0
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Skills in AS physics0
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14.1 Moving on from GCSE0
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14.2 Making careful measurements0
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14.3 Everyday physics instruments0
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14.4 Analysis and evalution0
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15.1 Assessment outline0
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15.2 Direct assessment0
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15.3 Indirect assessment0
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16.1 Data handling0
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16.2 Trigonometry0
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16.3 More about algebra0
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16.4 Straight line graphs0
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16.5 More on graphs0
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16.6 Graphs,gradients, and areas0
