Levantine7518 Levantine7518
  • 31-07-2024
  • Physics
Answered

A 4.2-kg object, initially at rest, "explodes" into three objects of equal mass. Two of these are determined to have velocities of equal magnitudes (5.0 m/s) with directions that differ by 90°. How much kinetic energy was released in the explosion?

53 J
64 J
35 J
60 J
70 J?



Answer :

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