1.What is the kinetic energy of an object with a velocity of 7m / s and a mass of 14kg
2. What is the kinetic energy of an object with a velocity of 5m / s and a mass of 5kg
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Ответ:
a) 1.22*10^-18 N in the positive z direction
b) 1.65*10^-19 N in the negative z direction
c) (6.94*10^-19 N) in the positive x direction + (5.30*10^-19 N) in the positive z direction
Explanation:
See attachment for calculations