Then run Physics Made Easy at https://www.tinspireapps.com/?a=PHYME

Select option : Diver enters Water

Now enter final velocity, the angle the diver makes with water and the height of the dive board.

We are going to find the magnitude of the initial velocity in a backwards way.

First , we find the x and y components of the final velocity using sin and cos.

Next we find vo_y using vf_y , g=9.81 and yo.

Lastly we find the magnitude of the initial velocity using vo_y and

the constant horizontal speed vf_x =vo_x

Voila, diver problem is solved.

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