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Total: 2576
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2420
The woodpecker starts to move periodically back and forth and in the meantime it moves slowly downwards the pole
Illustrating the concept of average speed using the position-time and speed-time graphs
Representing horizontal projection as a complex motion
Investigating oblique projection in a Cartesian coordinate system with oblique axes.
Investigating oblique projection in a Cartesian coordinate system with oblique axes.
Introducing new quantities of simple harmonic oscillation through the position-time and velocity-time graphs
Introducing the mathematical formulas for position and velocity. Comparing the motion of the pendulum to the motion of an object on a spring
Showing through experiment that the period does not dependent on amplitude
Showing through experiment that the period of a pendulum is not dependent on mass
Demonstrating how period is effected by the pendulum length
Demonstrating how period is effected by the pendulum length. Learning and verifying the mathematical formula too.
Determining free-fall acceleration by measuring the periods of pendulums
Damping of the pendulum is caused by air-drag. Air-drag depends on the shape, size and square of velocity of a moving object.
Compare the amount by which the amplitude changes at the beginning and at the end of the motion
Investigating the amplitudes in a coupled oscillation
Investigating the motion of the cyclist using its position-time and velocity-time graphs
Determining speed using the position-time graph
Investigating the horizontal and vertical projection of a uniform circular motion
Investigating the horizontal and vertical projection of a uniform circular motion
Showing the relationship of the uniform circular motion with simple harmonic motion
Investigating the parameters describing the motion of an object suspended on a spring
Investigating the position-time, velocity-time and acceleration-time graphs and their relationships.
Investigating the relationship between the period of oscilation and mass with experiment