- #1
teng125
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there is a ball attach to a string of 120cm attach to a centre point.
on the bottom,there is a fixed peg where the vertical distance from the c.point is 75cm.
as the ball swing,it hits the peg and goes up beyond,may i know how to find the highest point it goes??
on the bottom,there is a fixed peg where the vertical distance from the c.point is 75cm.
as the ball swing,it hits the peg and goes up beyond,may i know how to find the highest point it goes??