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15.03.2020 •
Physics
M1 = 3 kg, v1= < 10, -5, 13 > m/s m2 = 2 kg, v2= < -15, 7, -4 > m/s m3 = 3 kg, v2= < -28, 37, 25 > m/s what is total kinetic energy?
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Ответ:
Explanation:
Here, the three components of velocity of each of the masses are provided.
The net velocity of each of three masses are:
Similarly,
v2 = 17.03 m/s
v3 = 52.71 m/s
Since kinetic energy is a scalar quantity, there will be no vectorial considerations involved.
Net Kinetic Energy = 4898.72 J
Ответ:
F=ma
F=2300×5.5
F=12,650 Newtons
Explanation:
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