Asked by maimed
a 3.00kg object has a velocity [6.00i-2.00j]m/s. what is the kinetic energy at this moment.
Answers
Answered by
Damon
6 m/s to the east and 2 m/s to the south
well what is the speed squared, v^2 ?
v^2 = 6^2 + 2^2 = 36 + 4 = 40
so
Ke = (1/2) m v^2 = (1/2) 3 * 40 = 60 Joules
well what is the speed squared, v^2 ?
v^2 = 6^2 + 2^2 = 36 + 4 = 40
so
Ke = (1/2) m v^2 = (1/2) 3 * 40 = 60 Joules
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