An object of mass 33 kg is projected into the air at a
An object of mass 3.3 kg is projected into the air at a 55° angle. It hits the ground 3.4 s later. What is its change in momentum while it is in the air? Ignore air resistance.
_____ kg·m/s downward
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a converging lens of focal length 39 cm is placed next to a converging lens of length 55 cm what is the effective focal
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an object of mass 33 kg is projected into the air at a 55deg angle it hits the ground 34 s later what is its change in
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