Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Physics Posted 31 May 2018 My Price 4.00

speed of the firework

4. A firework of mass 0.25 kg is launched at an angle of 75 degrees above the horizontal, pointing due west. The initial speed of the firework is 69 m/s. At the top of its trajectory, it explodes into two pieces of equal mass. One of the pieces takes 2.1 s to fall to the ground, and lands on the ground a distance of 53 m due west from the launch position. Neglect air resistance.

(a) Find the velocity of both pieces just after the explosion.

(b) Where does the other piece land?

(c) Sketch a picture of the resulting motion and convince yourself that it is plausible.

Answers

Maurice Tutor
(5)
Status NEW Posted 31 May 2018 09:05 PM My Price 4.00

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