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On the move (Speed and velocity (Motion at constant speed (speed v = s/t,…
On the move
Speed and velocity
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Motion at constant speed
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For an object moving at constant speed on a circle of radius r, its speed: v = 2πr/T
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Projectile motion
Priniples of projectiles
The acceleration of the object is always equal to g and is always downwards because the force of gravity acts downwards
The horizontal velocity of the object is constant because the acceleration of the object does not have a horizontal component
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Acceleration
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Non-uniform acceleration
the gradient of the tangent to the curve at point P = height of gradient triangle / base of gradient triangle
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