You will be told the launch velocity and fuse time of the firework as well as the gravitational acceleration of the planet. You will be predicting the velocity (speed and direction) of the firework at the time it explodes as well as the its height when it explodes
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Using the information given below, determine the height and velocity (speed and direction) at the moment of explosion
Make sure you put the negative in your answer if that is what you get when you do the math