Скачать или смотреть IGCSE Physics 0625 | Physical Quantities & Motion (Part 1/4) | Complete Concept Summary

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In this video, we covered:
1.1 Physical quantities and measurement techniques

Measuring length using rulers
Measuring volume using measuring cylinders
Measuring time intervals using clocks and digital timers
Finding average values for small distances and short time intervals
Scalars and vectors: definitions and differences
Scalar quantities: distance, speed, time, mass, energy, temperature
Vector quantities: force, weight, velocity, acceleration

1.2 Motion

Definition of speed and velocity
Calculating average speed
Distance–time graphs: sketching and interpretation
Speed–time graphs: sketching and interpretation
Identifying rest, constant speed, acceleration, and deceleration from graphs
Calculating speed from the gradient of a distance–time graph
Calculating distance using the area under a speed–time graph
Acceleration due to gravity ( g=9.8{m/s}^2 )

INCLUDES A 10-MINUTE SUMMARY AT THE END

TIME STAMPS

0:00 Intro
0:24 1.1 Physics quantities and measurement techniques
0:55 Metric prefixes
4:47 Parallax error
5:27 Area and volume calculations
10:20 Scalars and vectors
14:09 Calculating vectors using diagrams
15:53 Calculating vectors using SOH CAH TOA
18:34 1.2 Motion
22:59 Distance-time graphs
25:02 Velocity-time graphs
27:51 Free fall
35:36 10-minute summary


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