application sphere of skewed line distance formula (curriculum mcv4u Ontario Canada, powerpoint slides for youtube video)
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youtube video script of 'Centripetal force and flying distance calculation of projectile motion, Ontario Canada physics SPH4U'
Slide 1 I ’ d like to introduce a question of Ontario Canada grade 12 physics for university preparation, coded as SPH4U. Khoi spins to throw a rock. The rock’s weight, rope’s length, velocity angle and height of the rock, the tension in the rope when he let the rock go are all known. The question asks the distance between the points where the rock is let go and where it hits the ground. Slide 2 This is figure one. O is the point where rock is let go. Line OH is horizontal. The angle between velocity V and OH is 30º. The angle between the rope tension T and the horizontal line OH is α. The rock’s weight is G which is 2g newtons. The small g is the acceleration of gravity. The rock weight G and rope tension T together form the centripetal force F. So F is the resultant of G and T. Slide 3 This is the legend of figure one. (Show slide 2) Since force F is the centripetal force when the rock is let go, force F is perpendicular to velocity V. So the angle between force F...
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