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I didn't see that. Thanks for the save.

initial velocity for the initial kinetic energy, and I figured that it would be appropriate to have an initial velocity to try and find a final velocity.

So wait, did the arrows mass not matter?

Hey, do you know if I'm right or wrong?

Hi, I just need help to see if I have done the correct working out for this 7 mark question. An arrow with a mass of 45.3 g is fired vertically into the air at 85 m/s from a height of 1.41 m. Calculate the speed of the arrow when it reaches a height of 36.3 m. This is what I have done: m =...