Using trigonometry and Fig. 2 in the ballistic pendulum write-up, show that the height h the pendulum rises after capturuing the ball is given by: h = R(1-cos(theta))
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Using trigonometry and Fig. 2 in the ballistic pendulum write-up, show that the height h the pendulum rises after capturuing the ball is given by: h = R(1-cos(theta))
I thought that h = R(1-cos(theta)) was the same as h=Rsin(theta) which wouldn't make sense because h/R is not equal to sin(theta)... h is the vertical and theta is at the top...
Note thatis NOT the same as
. If that was true then you would have
, but recall that actually:
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