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You are exploring a new planet, Uzaz. You have a string 1.2 m long, and a...

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Physics

You are exploring a new planet, Uzaz. You have a string 1.2 mlong, and a small object. You suspend the object from the string,and you observe that small-amplitude pendulum swings have a periodof 1.987 s. You have determined the radius of Uzaz is 7.2 × 106 m.You then launch the object at an angle θ above the horizontal fromshoulder-height (1.40 m) with a velocity of 30 m/s; it hits theground 60.36 m from you. Assume the ground is level and ignoreatmospheric resistance.

(a) (5 points) Determine the mass of planet Uzaz.

(b) (4 points) Determine all possible angles θ above thehorizontal at which you could have launched the object.

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