An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? (Formula:) KE=1/2mv squared

7.5 kg

15 kg

60 kg

120 kg

A). calculate the trajectory neglecting the force due to aerodynamic drag. (same as matlab assignment 1) b). calculate the trajectory using a constant drag coefficient of cd = 0.5. c).

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