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1. An object of mass m=5 kg is projected horizontally at 10 m/s. it lands 6...

1. An object of mass m=5 kg is projected horizontally at 10 m/s. it lands 6 s later, 55 m away from the original position as measured horizontally

a) find the initial kinetic energy of the object

b) find the final kinetic energy include kinetic energy due to gain vertical component of the velocity

c) find the change of kinetic energy between the initial and final point
Science   Advanced-Physics   
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